Across
- 3. tiny particles that make up matter
- 7. when atoms combine and rearrange
- 8. the form of energy made in cellular respiration
- 9. the gas needed for photosynthesis
- 11. the process by which plant organisms create their own food
Down
- 1. the part of the plant that lets gases in and out
- 2. the gas created in photosynthesis
- 4. organelle where cellular respiration happens
- 5. the system in animals that allows gases in and out
- 6. another term for sugar
- 7. the process by which organisms break down food and turn it into energy
- 10. organelle where photosynthesis happens