Across
- 3. naturalist and scientist known for his theory of natural selection
- 6. an animal greatly reducing its activity during the winter
- 7. characteristic that allows an organism to blend in with its environment
- 9. a long journey that occurs on a seasonal basis
- 10. characteristic that allows an organisms to survive in its environment
Down
- 1. adaptation that allows an organism to perform a specific function in the body
- 2. the disappearance of all members of a species
- 4. adaptation where the physical features of an organism help it survive
- 5. when an organism tries to look like another organism
- 8. a behavior that is taught after birth