Biology

3. the first species to colonize after a disturbance
9. organisms best suited to their environment to reproduce
11. demonstrates that an interaction between two organisms causes one organism to change in response to changes in other organisms.
12. a branch of ecology that focuses on the origins of wild land fire
13. molars left over from we are mostly tough plants
15. the first geologic eras of the Phanerozoic era
16. starting that all species of organisms arise and develop through natural selection.
17. are homologous but have lost their function over time.
19. the evolution of two or more species each adapting to changes in the other
20. the second geologic era of the Phanerozoic era

1. any living thing
2. when a group from a specific population develops into a new species.
4. structures in different species that are similar because of common ancestry
5. Amy preserved remains, impression or trace is something once living
6. the process of which different kinds of living organisms are thought to have developed from earlier forms during history of earth
7. animals are replaced.
8. laws of nature have not changed over time.
10. plants are replaced
14. the final stage of succession
18. the last geologic era of the Phanerozoic era