science

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

3. group of similar organisms

4. difference between individuals of the same species

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

9. rock like remains of once a living organism

11. process of change

12. helps show possible evolutionary relationships

13. traits that increses an organisms ability to survive

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

Down

1. trait shared by common ancestors

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

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

7. process of change over time

8. when unrelated organisms evolve characteristics that are similar

10. a well tested idea of an observation

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