Download Chapter 15 Section 1: History of Evolutionary Thought

Name ____________________________ Date _____________ Hour ______________
Chapter 15 Section 1: History of Evolutionary Thought Guided Reading
(pg. 297-301)
Define the following vocabulary using the glossary in the back of the textbook.
a) Evolution –
b) Natural Selection –
c) Adaptation –
d) Fitness –
The Idea of Evolution
1. After visiting the Galapagos Islands, ____________ _____________ noted that
groups of animals varied from island to island.
2. After traveling around the world, Darwin became convinced that...
3. What is a theory?
4. Georges Cuvier gave convincing evidence of what?
5. Cuvier promoted the idea of catastrophism, explain what that is.
6. Charles Lyell shared some of Cuvier’s ideas, but believed in uniformitarianism.
Define uniformitarianism.
7. Jean Baptiste Lamarck also supported the idea that populations of organisms
change over time. However, he proposed that…
8. What did Lamarck call his idea?
Darwin’s Ideas
9. What was the name of Darwin’s book?
Name ____________________________ Date _____________ Hour ______________
10. List the two goals in his book.
11. Describe Darwin’s observations of finches on the Galapagos Islands. What did he
suspect from these observations?
12. List the four parts of Natural Selection and a brief description of each.
1.
2.
3.
4.
Application Questions (NOT in textbook)
13. There are 3 types of polar bears: ones with thick coats, ones with thin coats and
ones with medium coats. It is fall, soon to be winter. The temperatures are
dropping rapidly and the bears must be kept warm, or they will freeze
to death. Many of the bears have had ~2 cubs each but due to the
extreme temperatures, many mothers only have one cub left. Which
type of polar bear would survive longer once the weather changes?
Why?
14. In ostriches, there are 2 types: ones that run fast and those that run slowly. The
fast birds can reach up to 40 miles an hour. Jackals love to eat ostrich, and
they can reach speeds of up to 35-40 miles per hour. A flock of ostrich will
lay ~ 10 eggs (each mother only lays 1), but many rodents break into the eggs
and eat the fetus before they hatch. Which type of ostrich would survive
longer? Why?