CP Biology Chapter 17 Review
Sect I: Vocabulary (10 words)
Sect: Key Points
1. What does a paleontologist do to help scientists understand the Evolution?
2. What is a fossil and how is the fossil record used in relative dating?
3. What is an index or key fossil?
4. What are the conditions necessary for fossil formation?
5. How is radioactive dating different than relative dating?
6. What is a half-life?
7. In the geologic time scale list the divisions of time from smallest to largest?
8. For your answers to question 7, list the names of those divisions that we are
currently a part of.
9. What single event is thought to have provided early Earth the energy to activate
geologic processes and separate Earth’s materials by density?
10. How was the concentration of Earth’s atmosphere very different in the first 2
billion years than in the last 2 billion years?
11. What did Miller and Urey seek to prove with their experiments?
12. How is the development of proteinoid microspheres support the idea of evolution
from the “primordial ooze”?
13. Why do most scientists believe that RNA existed before DNA?
14. How do microfossils (stromatolites) document the changing of Earth’s
atmosphere from anaerobic to an aerobic system?
15. What is the endosymbiotic theory?
16. What are the 2 organelles that most support the endosymbiotic theory? Explain.
17. Briefly describe the life and conditions in Precambrian time.
18. Briefly describe the life and conditions during the Paleozoic era?
19. Briefly describe the life and conditions during the following periods:
a. Cambrian
b. Ordovician and Silurian
c. Devonian
d. Carboniferous and Permian
e. Triassic
f. Jurassic
g. Cretaceous
h. Tertiary
i. Quartenary
20. What is the difference between micro and macroevolution?
21. What is the difference between Convergent and Coevolution?
22. What is the difference between natural selection and punctuated equilibrium?
Section III: Problems (a:answer form)
Pg. 443 Q:1-10
Pg. 445 Q:1-8