biology
Across
- 2. "Maintaining a stable internal environment",
- 4. "A reaction to a stimulus",
- 7. "The process by which organisms make more of their kind"
- 10. "A group of similar organisms that can reproduce",
- 11. "Increase in size or number of cells",
Down
- 1. "The arrangement of parts in a system",
- 3. "A trait that helps an organism survive in its environment",
- 5. "A change in the environment that causes a response",
- 6. "Changes an organism goes through during its life",
- 8. "Any living thing",
- 9. "The study of living things",