Across
- 1. helpful
- 3. organisms adapt and change
- 5. likely to be harmed
- 7. learned
- 8. study insects
- 9. American desert hare
- 11. time between birth and reproduction
- 12. from parents
- 13. two organisms reproduce
- 14. similar individuals in population
- 19. hunts for food
- 20. reproduces on its own
- 21. number in a given area
Down
- 2. neither bad or good
- 4. harmful characteristic
- 6. gene that is expressed
- 10. conditions that organism interacts
- 15. hunted for food
- 16. process of change
- 17. helps survival
- 18. characteristic of a living thing
- 19. bad for environment