Download Name Date Ch 16 – Darwin`s Theory of Evolution Read Ch 16 (450

Name
Date
Ch 16 – Darwin’s Theory of Evolution
Read Ch 16 (450-473) and answer the following questions.
16.1 – Darwin’s Voyage of Discovery
Darwin’s Epic Journey
1. Who is Darwin and what was his major contribution to science?
2. What is evolution?
Observations Aboard the Beagle
3. Define biodiversity:
4. Describe the three patters of biodiversity that Darwin observed during his journey on the HMS
Beagle.
a.
b.
c.
5. What is a fossil?
16.2 – Ideas That Shaped Darwin’s Thinking
An Ancient, Changing Earth
6. What did Lyell and Hutton determine about Earth’s history?
a. Why did Hutton believe that Earth is much older than previously believed (deep time)?
b. What was Lyell’s argument, and his way of thinking?
7. What evidence did Darwin observe that supported Lyell’s ideas?
Lamarck’s Evolutionary Hypothesis
8. What did Lamarck believe about how species evolve? Was he right?
Population Growth
9. What did Malthus believe about population growth?
Artificial Selection
10. What is artificial selection? Give an example of how we use it.
16.3 – Darwin Presents His Case
Evolution by Natural Selection
11. Define the following terms:
a. Adaptation:
b. Fitness:
c. Natural selection:
12. Describe each of Darwin’s three requirements for natural selection, presented in On the Origin
of Species:
a. Struggle for existence:
b. Variation and adaptation:
c. Survival of the fittest:
i. What does ‘fitness’ mean to an organism?
d. Natural selection:
i. When does natural selection usually occur?
13. Read through Figure 16-10 (pg 462). Summarize the process of natural selection in this population:
Common Descent
14. What is Darwin’s idea of ‘common descent’?
16.4 – Evidence of Evolution
Biogeography
1. What is biogeography?
2. What does biogeography tell us about evolutionary change?
The Age of the Earth and Fossils
3. In what two ways do fossils support the theory of evolution?
a.
b.
Comparing Anatomy and Embryology
4. What are homologous structures?
a. How do they support evolution?
5. What are analogous structures?
6. What are vestigial structures?
a. How do they support the theory of Evolution?
7. How does the study of embryo development (embryology) help to support the theory of evolution?
Genetics and Molecular Biology
8. How do molecules and genetics trace evolutionary change?
(stop at pg 471)