Cengage Advantage Books: Sustaining the Earth 10th Edition by Tyler Miller,Scott Spoolman

Exercise 3

What is biological evolution? Define natural selection. What is a fossil and why are fossils important in understanding biological evolution? What is a mutation and what role do mutations play in evolution by natural selection? Define adaptation (adaptive trait), and give two examples of adaptive traits. What is differential reproduction? Describe the evolution of genetic resistance in disease-causing bacteria.