1. What are the requirements for an entity to be considered a life form? 2. What

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Question

1. What are the requirements for an entity to be considered a life form?

2. What is a fossil?

3. What parts typically get fossilized?

4. Under what circumstances does soft tissue fossilize?

5. What are the different kinds of fossils?

6. What is the difference between prokaryotes and eukaryotes?

7. What is the Linnean system?

8. What is the photic zone? How deeply does sunlight penetrate in this zone?

9. Why is there bias in the fossil record?

10. Review Darwin’s observations that led him to develop his theory of natural selection

11. Review the key principles of natural selection

12. What are adaptations, and what effect do they have on an organism?

13. What is homology? What are examples of homologous structures? What do they indicate?

14. What are vestigial organs? What are examples of vestigial organs? What do they indicate?

15. What were Mendel’s experiments and what did he learn from them?

16. What are evolutionary radiations, and how do adaptive breakthroughs relate to them?

17. Review the differences between gradualistic and punctuated evolution

18. What is the axolotl? What process is the axolotl an example of?

19. What are extinctions? What causes them?

20. What is an index fossil? What are the characteristics of a good index fossil? What characteristics would not make for a good index fossil?

1. Requirements for an entity to be considered a life form

2. The remains of plants or animals buried and preserved under the layers of earth are called as fossils.

3.Typically the hardest parts of plants and animals (like bones , teeth ,outer shells of insects etc)get fossilized.

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