Word Bank
adaptation, branching tree diagram, convergent evolution, evolution, evolution, fossil, gradualism, homologous structures, natural selection, punctuated equilibrium, scientific theory, shared derived characteristic, species, variation

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Across

5. similar structures that related species have inherited from common ancestors

6. traits that increses an organisms ability to survive

7. a well tested idea of an observation

8. helps show possible evolutionary relationships

11. process of change over time

12. when unrelated organisms evolve characteristics that are similar

13. rock like remains of once a living organism

14. process by witch individuals that are better adapted to there enviroment

Down

1. trait shared by common ancestors

2. group of similar organisms

3. small changes that add up to a major change over time

4. species evolve during a short periods of rapid change and the don't change much

9. difference between individuals of the same species

10. process of change

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