Adaptations/Natural Selection

4. An organism that hunts and eats other organisms.
8. The study of heredity and the variation of inherited traits.
10. The variety of life in the world or a specific habitat.
17. The external conditions affecting organisms.
18. The struggle between organisms for limited resources.
19. The natural environment where an organism lives.
20. The dying out of a species.
21. Differences in physical traits among individuals of a species.
23. The role or function of an organism in its ecosystem.
24. Pressure An environmental factor that affects an organism's survival.
25. Selection The process where organisms better adapted to their environment tend to survive and reproduce.

1. An organism that is hunted and eaten by predators.
2. How well an organism can survive and reproduce in its environment.
3. An adaptation that allows an organism to blend into its environment.
5. The process by which species change over time.
6. The biological process of producing offspring.
7. A trait that helps an organism survive and reproduce.
9. A change in DNA that can lead to new traits.
11. The passing of traits from parents to offspring.
12. The ability of an organism to continue living.
13. Pool The total set of genetic information in a population.
14. A specific characteristic of an organism.
15. A group of similar organisms that can breed and produce fertile offspring.
16. An adaptation where one species resembles another.
22. Selection The act of choosing or picking based on specific traits.