Ideje Atom Molecule Organism Výborně

Ideje Atom Molecule Organism Výborně. The atom is the smallest and most fundamental unit of matter. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The four levels outlined above are outlined a little better below. The biological levels of organization of living things arranged from the simplest to most complex are:

Prezentováno O Atom Organ System Molecule Macromolecule Organ Organelle Cell Organism Tissue Anime Meme On Me Me

(1) atoms and electron bonds between atoms. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. The biological levels of organization of living things arranged from the simplest to most complex are:

The four levels outlined above are outlined a little better below.

A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The four levels outlined above are outlined a little better below. It consists of a nucleus surrounded by electrons. It starts with atom, molecule, cell, tissue, organ, organ system and organism. The atom is the smallest and most fundamental unit of matter. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.

Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. .. (1) atoms and electron bonds between atoms.

The atom is the smallest and most fundamental unit of matter.. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. It starts with atom, molecule, cell, tissue, organ, organ system and organism. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. It consists of a nucleus surrounded by electrons. (1) atoms and electron bonds between atoms... Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms.

It starts with atom, molecule, cell, tissue, organ, organ system and organism. .. (1) atoms and electron bonds between atoms.

Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large... Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. The atom is the smallest and most fundamental unit of matter. The biological levels of organization of living things arranged from the simplest to most complex are: (1) atoms and electron bonds between atoms. It starts with atom, molecule, cell, tissue, organ, organ system and organism. It consists of a nucleus surrounded by electrons. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.

Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. (1) atoms and electron bonds between atoms. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. It starts with atom, molecule, cell, tissue, organ, organ system and organism. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. The atom is the smallest and most fundamental unit of matter.. It consists of a nucleus surrounded by electrons.

A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. (1) atoms and electron bonds between atoms. It consists of a nucleus surrounded by electrons. The four levels outlined above are outlined a little better below. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. The biological levels of organization of living things arranged from the simplest to most complex are: It starts with atom, molecule, cell, tissue, organ, organ system and organism. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets... The atom is the smallest and most fundamental unit of matter.

The biological levels of organization of living things arranged from the simplest to most complex are:. The biological levels of organization of living things arranged from the simplest to most complex are: A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. (1) atoms and electron bonds between atoms. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. The atom is the smallest and most fundamental unit of matter. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. It consists of a nucleus surrounded by electrons... Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets.

Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large.. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. It consists of a nucleus surrounded by electrons. The atom is the smallest and most fundamental unit of matter. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. The four levels outlined above are outlined a little better below. It starts with atom, molecule, cell, tissue, organ, organ system and organism.. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets.

The atom is the smallest and most fundamental unit of matter. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. It consists of a nucleus surrounded by electrons. The four levels outlined above are outlined a little better below. The atom is the smallest and most fundamental unit of matter. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms.

The four levels outlined above are outlined a little better below. The four levels outlined above are outlined a little better below. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets... A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.

A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The biological levels of organization of living things arranged from the simplest to most complex are: It starts with atom, molecule, cell, tissue, organ, organ system and organism. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The atom is the smallest and most fundamental unit of matter. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The atom is the smallest and most fundamental unit of matter.

The four levels outlined above are outlined a little better below. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. (1) atoms and electron bonds between atoms. The atom is the smallest and most fundamental unit of matter. The biological levels of organization of living things arranged from the simplest to most complex are: It starts with atom, molecule, cell, tissue, organ, organ system and organism. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large.. It consists of a nucleus surrounded by electrons.

Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large.

It starts with atom, molecule, cell, tissue, organ, organ system and organism. The atom is the smallest and most fundamental unit of matter. The four levels outlined above are outlined a little better below. (1) atoms and electron bonds between atoms. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object.. It consists of a nucleus surrounded by electrons.

Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. It starts with atom, molecule, cell, tissue, organ, organ system and organism. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. It consists of a nucleus surrounded by electrons. The atom is the smallest and most fundamental unit of matter. The biological levels of organization of living things arranged from the simplest to most complex are: A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds... (1) atoms and electron bonds between atoms.

Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The four levels outlined above are outlined a little better below. The atom is the smallest and most fundamental unit of matter.

A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. (1) atoms and electron bonds between atoms. The atom is the smallest and most fundamental unit of matter. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. It consists of a nucleus surrounded by electrons.

The atom is the smallest and most fundamental unit of matter.. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. The atom is the smallest and most fundamental unit of matter.. The biological levels of organization of living things arranged from the simplest to most complex are:

A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds... The biological levels of organization of living things arranged from the simplest to most complex are: The four levels outlined above are outlined a little better below. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.. It starts with atom, molecule, cell, tissue, organ, organ system and organism.

A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds... The four levels outlined above are outlined a little better below. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. The biological levels of organization of living things arranged from the simplest to most complex are: A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.. (1) atoms and electron bonds between atoms.

Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms.. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms.

Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large.. The atom is the smallest and most fundamental unit of matter. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. (1) atoms and electron bonds between atoms. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The four levels outlined above are outlined a little better below. The biological levels of organization of living things arranged from the simplest to most complex are:

Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. (1) atoms and electron bonds between atoms. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. It consists of a nucleus surrounded by electrons. The atom is the smallest and most fundamental unit of matter. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. It starts with atom, molecule, cell, tissue, organ, organ system and organism.. The biological levels of organization of living things arranged from the simplest to most complex are:

It consists of a nucleus surrounded by electrons. .. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object.

Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. .. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.

Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.. It starts with atom, molecule, cell, tissue, organ, organ system and organism. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object.

It starts with atom, molecule, cell, tissue, organ, organ system and organism. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. The biological levels of organization of living things arranged from the simplest to most complex are: The four levels outlined above are outlined a little better below. The atom is the smallest and most fundamental unit of matter. It starts with atom, molecule, cell, tissue, organ, organ system and organism. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.

The atom is the smallest and most fundamental unit of matter. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The four levels outlined above are outlined a little better below. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. The biological levels of organization of living things arranged from the simplest to most complex are:

It starts with atom, molecule, cell, tissue, organ, organ system and organism.. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. It starts with atom, molecule, cell, tissue, organ, organ system and organism. (1) atoms and electron bonds between atoms. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The four levels outlined above are outlined a little better below. The biological levels of organization of living things arranged from the simplest to most complex are: The atom is the smallest and most fundamental unit of matter. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. It consists of a nucleus surrounded by electrons.

Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. It consists of a nucleus surrounded by electrons. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.

It consists of a nucleus surrounded by electrons. The four levels outlined above are outlined a little better below. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. (1) atoms and electron bonds between atoms. It starts with atom, molecule, cell, tissue, organ, organ system and organism. The biological levels of organization of living things arranged from the simplest to most complex are: Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets.

It starts with atom, molecule, cell, tissue, organ, organ system and organism.. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object... Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object.

It starts with atom, molecule, cell, tissue, organ, organ system and organism. It starts with atom, molecule, cell, tissue, organ, organ system and organism. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The four levels outlined above are outlined a little better below. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. (1) atoms and electron bonds between atoms. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. The biological levels of organization of living things arranged from the simplest to most complex are: Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets.

Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons... Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object.

Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large.. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. The biological levels of organization of living things arranged from the simplest to most complex are: It starts with atom, molecule, cell, tissue, organ, organ system and organism. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. The four levels outlined above are outlined a little better below. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets.

Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. The four levels outlined above are outlined a little better below. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. (1) atoms and electron bonds between atoms. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. The atom is the smallest and most fundamental unit of matter.. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.

It starts with atom, molecule, cell, tissue, organ, organ system and organism... The atom is the smallest and most fundamental unit of matter. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large.

It consists of a nucleus surrounded by electrons. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The four levels outlined above are outlined a little better below. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large.

The biological levels of organization of living things arranged from the simplest to most complex are:. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. The atom is the smallest and most fundamental unit of matter. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms.. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets.

The four levels outlined above are outlined a little better below. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The biological levels of organization of living things arranged from the simplest to most complex are: A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. It starts with atom, molecule, cell, tissue, organ, organ system and organism. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. The four levels outlined above are outlined a little better below. The atom is the smallest and most fundamental unit of matter.. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large.

The atom is the smallest and most fundamental unit of matter. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. It consists of a nucleus surrounded by electrons. The biological levels of organization of living things arranged from the simplest to most complex are: (1) atoms and electron bonds between atoms.

Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. It consists of a nucleus surrounded by electrons. The biological levels of organization of living things arranged from the simplest to most complex are: It starts with atom, molecule, cell, tissue, organ, organ system and organism. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. It consists of a nucleus surrounded by electrons.

The four levels outlined above are outlined a little better below. The four levels outlined above are outlined a little better below. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. The atom is the smallest and most fundamental unit of matter. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. It consists of a nucleus surrounded by electrons. The biological levels of organization of living things arranged from the simplest to most complex are: It starts with atom, molecule, cell, tissue, organ, organ system and organism. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object.

(1) atoms and electron bonds between atoms. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object.. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.

The atom is the smallest and most fundamental unit of matter. (1) atoms and electron bonds between atoms. The four levels outlined above are outlined a little better below. It starts with atom, molecule, cell, tissue, organ, organ system and organism. It consists of a nucleus surrounded by electrons. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons. The atom is the smallest and most fundamental unit of matter. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets.

The biological levels of organization of living things arranged from the simplest to most complex are: A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. It starts with atom, molecule, cell, tissue, organ, organ system and organism. The biological levels of organization of living things arranged from the simplest to most complex are:.. The four levels outlined above are outlined a little better below.

The four levels outlined above are outlined a little better below. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. It starts with atom, molecule, cell, tissue, organ, organ system and organism. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. The biological levels of organization of living things arranged from the simplest to most complex are: (1) atoms and electron bonds between atoms. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. It consists of a nucleus surrounded by electrons. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The four levels outlined above are outlined a little better below. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.

Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. The atom is the smallest and most fundamental unit of matter. Atom, molecule, organelle, cells, tissues, organs, organ systems, organisms. Feb 22, 2009 · an atom is not a living organism, it is an inanimate particle that makes up an object. Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. (1) atoms and electron bonds between atoms. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds. Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets. Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons.. It starts with atom, molecule, cell, tissue, organ, organ system and organism.

Below, left an atom is pictured with the nucleus, a collection of protons, in the center, and the little beads of fire flying around it are electrons... Electric attraction between the positive nucleus and negative electrons holds the electrons in orbit like gravity keeps planets.. The four levels outlined above are outlined a little better below.