Across
- 3. By chance, not planned.
- 5. The process whereby organisms better adapted to their environment survive and reproduce.
- 6. A characteristic that allows an organism to survive.
- 8. Young or babies that are produced through reproduction.
- 9. A characteristic of an animal that helps it survive in its environment.
- 10. a group of organisms that can reproduce with one another.
- 11. The idea that each generation has more offspring than can live.
Down
- 1. Differences within a species such as coloring, speed, neck length, etc.
- 2. A group o individuals of the same species living in a given area.
- 4. A change in DNA
- 7. biological process by which offspring are produced from their parents.