Across
- 4. A measure of disorder or randomness.
- 6. the capacity to do work
- 7. Small openings on the underside of a leaf through which oxygen and carbon dioxide can move
- 8. An organism that cannot make its own food.
Down
- 1. A type of protein that speeds up a chemical reaction in a living thing
- 2. substance that speeds up the rate of a chemical reaction
- 3. energy of motion
- 5. All of the chemical reactions that occur within an organism
