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Life Science 3

Across
The ability to do work
Plants get their energy from this
The human body has about 60 ____ cells
Organisms are made of these
Organism with many cells
These have only hydrogen, carbon, and oxygen
Animals store energy as ___
First person to use the term "cell"
These are very complex molecules
Down
These help chemical reactions
A simple carbohydrate
Organism with only one cell
Another word for fats
Part of a cow's stomach
A complete, living thing.
Your body is about 3/5 ___
Proteins are made up of units called ____ acids
Organisms produce after their _____