Evolution Vocabulary

2. Organisms having similar structures with different functions.
4. happens when two neighboring populations live in different environments next to each other.
7. happens when organisms that are not closely related independently evolve similar traits as a result of having similar environments.
8. Adaptation that enables some animals to look like more dangerous animals.
10. made observations about animals and plants on the Galapagos Islands which led to the theory of natural selection.
12. Adaptations that may increase reproductive success.
13. happens when two species affect changes in each other’s evolution.
14. the evolution of a new species.
15. a change in the heritable characteristics of a species over time
16. happens when a barrier is dividing a population.
18. Adaptation that allows animals to blend in with their environment.
19. Organisms with the same function but different internal structures.

1. Things that organisms do in order to survive.
3. a theory that states organisms best suited for their environment as a result of favorable characteristics survive and reproduce.
5. Physical features of an organism that helps it survive.
6. happens when individuals within the population may have differences in courtship behavior or other behaviors.
9. inherited trait that helps an organism survive in an environment.
11. happens when one species of organism is introduced to various environments.
17. a group of organisms that can reproduce and produce fertile offspring.