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Adaptations Over Time Study Guide
1. What is a species?
2. What did Darwin observe about the finches on the Galapagos Islands?
3. What is an adaptation? Give several examples.
4. What is evolution?
5. What is the role of genes in evolution?
6. What is natural selection? Give several examples.
7. What is overproduction? How can overproduction lead to natural selection?
8. What are variations?
9. What causes variations within a species?
10. What is a main way in which new species form? Explain how it happens.
11. What is extinction?
12. What causes organisms to become extinct?
13. What is a fossil?
14. What are the different types of fossils?
15. What kind of rocks do you usually find fossils in?
16. What can fossils tell us?
17. According to the fossil record, how have organisms changed since the beginning of Earth’s history?
18. How does relative dating provide us with the age of fossils?
19. What is radiometric dating?
20. How old is the Earth?
21. What is the geologic time scale?
22. How is the geologic time scale divided?
23. When did the earliest forms of life appear on the geologic time scale? What were they?
24. During which era did the dinosaurs live?
25. What is Earth’s most recent era?
Adaptations Over Time Study Guide
1. What is a species?
2. What did Darwin observe about the finches on the Galapagos Islands?
3. What is an adaptation? Give several examples.
4. What is evolution?
5. What is the role of genes in evolution?
6. What is natural selection? Give several examples.
7. What is overproduction? How can overproduction lead to natural selection?
8. What are variations?
9. What causes variations within a species?
10. What is a main way in which new species form? Explain how it happens.
11. What is extinction?
12. What causes organisms to become extinct?
13. What is a fossil?
14. What are the different types of fossils?
15. What kind of rocks do you usually find fossils in?
16. What can fossils tell us?
17. According to the fossil record, how have organisms changed since the beginning of Earth’s history?
18. How does relative dating provide us with the age of fossils?
19. What is radiometric dating?
20. How old is the Earth?
21. What is the geologic time scale?
22. How is the geologic time scale divided?
23. When did the earliest forms of life appear on the geologic time scale? What were they?
24. During which era did the dinosaurs live?
25. What is Earth’s most recent era?