Levels of organization
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What do you find inside of a cell?
•
Organelles
What makes up those organelles?
Atoms
Are the basic units
of matter.
 Atoms make up
ALL matter.
 Look around,
everything you see
is made up of atoms.

The 6 Most Abundant Elements
of Life

CHNOPS
 Carbon
 Hydrogen
 Nitrogen
 Oxygen
 Phosphorus
 Sulfur
http://video.pbs.org/
video/2342776136/
Atoms can
bond together to
form molecules!

Molecules
Many different
molecules make
up the
organelles
inside of cells!

Living things have a
Hierarchy of organization
Hierarchy – a system of
rank, one above the
other. (like levels)
Hierarchy of organization
1.
2.
3.
4.
5.
6.
7.
Atoms
Molecules
Cells
Tissues
Organs
Organ systems
Organisms