Evolution and Earth History Review Name_________________________________________ Date____________________________ Pd__________ 5. In the picture below of layers of rock, which layer contains fossils that are younger than the layer with the index fossil? 1. What are the three types of rock and how does each one form? Type 1: ________________ forms when… Type 2: ________________ forms when… 6. The machinery that evolution tinkers with to develop new body parts and adaptations is? Type 3: ________________ forms when… 2. On the picture of the rock cycle shown below, identify the type of rock being formed at points A, B, C, and D. 7. There are 4 Eras of time that Earth has passed through. The first is called the Precambrian. The rest are the Paleozoic, the Mesozoic, and the Cenozoic eras. Use pages 279-282 to identify the major changes on Earth during each of these eras. Precambrian- PaleozoicA B D Mesozoic- C 3. Explain how igneous and metamorphic rock can become sedimentary rock. 4. Explain how sedimentary rock can become metamorphic or igneous. Cenozoic- 8. What is the name of the period in which animal forms appeared in abundance? 9. Define the following: A. Index fossil- B. Trace fossil- Evolution and Earth History Review 10. Describe 4 ways that fossils can form. 15. What are the 4 parts of the theory of natural selection? Name and describe them. 11. Explain why the fossil record is incomplete. 16. What is reproductive isolation? 12. According to the following diagram, which species of finch gives rise to three others? _____ Ground finches ___I ___I ______ Cocoa finches ___I I____I______ Tree finches ___I I__________ Vegetarian finch ___I I___________ Warbler finch I __________ Grassquits 13. In the same diagram, what is the oldest species of finch? 14. Define the following: A. species- B. adaptation- C. evolution- 17. What is selective breeding? 18. Name two ways that populations of a species can become separated. 19. A piece of evidence that shows that whales came from land animals is… 20. What is extinction and what are some things that can cause it?