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