Across
- 2. remains of an organism that lived long ago
- 4. one type of organism
- 5. the study of life
- 7. a hands on way to learn about biology
- 11. an unusual change in an individual organism
- 13. to change in response to a change in the environment
- 14. a natural feature
- 16. too small to see
- 18. any type of picture
Down
- 1. a large area characterized by climate, vegetation, and wildlife
- 3. large organism that lived long ago
- 6. weather over a period of time
- 8. selection organisms best formed to their environment are more likely to survive
- 9. always changing or moving
- 10. where something is
- 12. a living thing
- 15. shows what something looks like in real life
- 17. green organisms that make their own food
