Across
- 2. physical or behavioral characteristic of any organism that helps the organism survive better in its environment
- 3. an animal or plant in its earliest stages of development.
- 8. features that have the same structure but different uses
- 9. the ability to blend in with your environment
- 10. the complete disappearance of a species from Earth
Down
- 1. 2 bone structure with same purpose but different makeup
- 4. differences in individuals within a species
- 5. the change in characteristics of a species over several generations
- 6. a group of organisms that can breed and produce fertile offspring.
- 7. the variety of life