Chapter 15
Name: ______________________
15.1 Darwin’s Theory of Evolution
1. The variety of living things is called ___________________________.
2. What is evolution? _________________________________________.
3. A scientific theory is a well- _____________________________ testable __________________________ of
phenomena that have occurred in the natural world.
4. Where was Charles Darwin born? __________________________ What year? _____________
5. During his travels Darwin made numerous _________________________ and collected ______________________
that led him to propose a hypothesis.
6. Look at the map in Fig 15.1. After New Zealand, Darwin stopped in ______________________________.
Darwin used the Cape of Good Hope to pass the continent ____________________________.
The Galapagos Islands are located to the west of the continent _________________________.
7. Darwin collected plant & animal ______________________ at each location and added them to his collection.
8. What did Darwin collect in the Brazilian rain forest? _________________________________________.
9. Darwin wondered why there were no __________________ in Australia and no __________________ in England.
10. What part of the tortoise could be used to determine which island it came from? _____________________.
11. Darwin noted that many of the birds on the islands had different shaped __________________________.
14. Darwin wondered if the animals living on the island were once members of the same _______________________.
15.2 Ideas that shaped Darwin’s thinking
1. Most people in Darwin’s day believed the Earth was only a few _____________________ years old.
2. Most Europeans believed that neither the planet nor its living species had ever ________________________.
3. Based on Hutton and Lyell’s work, the Earth’s age is thought to be _______________________ of years old.
4. Lyell stressed that scientists must explain past events in terms of processes they can _________________ presently.
5. Darwin thought that if Earth had changed over time, why not __________________?
Match the scientist with the discovery or proposal Darwin, Hutton, Lamarck, & Malthus)
6. _____________________ estimated Earth to be millions of years old
7. _____________________ set sail on the HMS Beagle
8. _____________________proposed the idea of inheritance by acquired traits
9. _____________________predicted that humans will outgrow their need for space & food
10. Lamarck’s hypothesis was proven to be ____________________________.
11. Why is the world not covered in maple trees and oysters? ____________________________________________.