2. _____ is a trait may develop quickly – example: antibiotic resistance Physiological Adaptation

3. Any body structure that is reduced in function is known as a _______ Vestigial structure

4. ______ is the splitting of 1 species into 2 or more speciation

5. Similarities in structure and arrangement—likeness indicates a genetic relationship through a common ancestor is known as ______ Homologous structures

6. Which type of genetic drift is caused by catastrophic events like a natural disaster or habitat loss? Bottleneck effect

7. What is the random effect that can occur when a small population settles in an area separated from the rest of the population and interbreeds, producing unique allelic variations? Founders effect

8. A brown mouse blends in with his surroundings. This is an example of ________ Camouflage

9. List a vestigial structure in humans. Wisdom teeth Appendix Ear muscles

10. Change in allele frequencies in a gene pool due to chance is known as _______ Genetic Drift

11. Two organisms live in close proximity, but rarely interact due to living in different habitats. This is known as __________ isolation. Habitat

12. The environment acted directly on organisms to produce hereditary change in relation to need, use or disuse is known as _____________ Acquired Traits

13. _____ is the process in which a large population declines in number, then rebounds Bottleneck effect

14. What type of evolution happens in a shorter amount of time? Microevolution

15. Who’s theory was based on the idea that the environment acted directly on organisms to produce hereditary change in relation to need, use or disuse. Lamark

16. When one organism looks like a dangerous organism, this is a structural adaptation called_____. mimicry

17. ___________ is a change in the gene pool of a population in response to various stimuli exhibited by a species OVER TIME Evolution

18. It is impossible for a monkey and a lion to reproduce. This is known as____ isolation. mechanical

19. Which type of evolution requires speciation? Macroevolution

20. __________ may arise over many generations (Ex: mimicry and camouflage) Structural adaptations

21. Two species are separated by an ocean. This is referred to as_________ isolation. Geographic

22. _________ is evolutionary change below the level of species, and refers to changes in the frequency within a population or a species of its alleles Microevolution

23. What is the name of the ship where Darwin did his studies for his evolution theory? HMS Beagle

24. Two species of frogs live in close proximity, but reproduce at different times of the year. This is known as ___________ isolation. Temporal

25. __________ is any evolutionary change at or above the level of species. Macroevolution

26. What organism did Darwin use to base a lot of his evolutionary ideas? Finches

27. Two species of birds, meadowlarks, have overlapping ranges and are similar in appearance, but their songs separate them. This is known as_________ isolation. Behavioral

28. If a lion and a tiger mate, their offspring is a liger. The liger is sterile and cannot reproduce. This is known as________ isolation. Gamete

29. Any trait that aids the chances of survival and reproduction of an organism is known as __________ Adataption