Across
- 2. the way an animal acts or adapts
- 6. process through which population of living organisms adapt and change
- 10. living longer than other species
- 11. modification of an organisms or it’s parts that makes it more fit for existence
Down
- 1. When physical characteristics change over time
- 3. genes and heredity
- 4. he studied different species
- 5. a change
- 7. A part on the animals body
- 8. a change in the DNA sequence of an organism
- 9. Passing mental or physical traits to offspring
