Across
- 2. The struggle among organisms for food, water, and space
- 5. Traits that help and organism survive and reproduce in its environment
- 9. Differences among individuals of a population
- 10. The gradual change in species over time
- 11. The children of an organism
- 12. A group of organisms that can produce offspring
Down
- 1. A defense mechanism where the organism blends in with its surroundings
- 3. A random change to an organism's DNA
- 4. A characteristic or feature of an organism
- 6. The ability of an organism to survive and reproduce in its environment
- 7. The surroundings or conditions in which an organism lives
- 8. The process by which traits become more or less common in a population