Across
- 4. capturing light energy to make food from CO2 and H20
- 7. ability to maintain a stable internal environment
- 8. simple substances combined to make more complex substances
- 11. internal environment kept within survival limits
Down
- 1. an organism that invades the body, causing disease
- 2. an endocrine organ that secretes insulin.
- 3. nonliving particle reproduced by invading cell of living thing
- 5. obtaining oxygen and releasing carbon dioxide.
- 6. pod-shaped organelles extract energy from nutrients
- 9. heterotrophic multicellular organisms with chitin cell walls
- 10. change in the environment that causes an organism to react
