GEL 113 Homework 2 Answer sheet

Study Questions for Chapter 1

Part 1. True or False:

1.F 2.T 3.T 4.T 5.T

Part II. Multiple Choice:

1.C 2.D 3.D 4.B 5.D 6.B 7.C 8.B

Part III. Thought Questions:

1. We can learn why new groups of animals have appeared over time, only to die out later. We can learn what it takes to be a biological success, and what might go wrong to bring about extinction.

2. People did not believe that animals could go extinct ( the world was perfect so nothing could change).

3. Wooly mammoth, plesiosaur, pterosaur, mosasaur, sail-backed reptile (Dimetrodon).