Across
- 2. better traits live longer
- 4. defense tactic used by organisms to blend in with surroundings
- 5. change in an organism's DNA sequence
- 6. passing traits off
- 8. a random change in a population
- 10. artificial breeding to give animals better traits
Down
- 1. slow changes
- 3. changes that make an organism "better"
- 7. seasonal movement
- 9. similar in look but not function