Unit 1

Question 1

In the 1800s, Charles Lyell emphsized that

Answer 1

Past geological events must be explained in terms of processes observable today.

Question 2

Darwin was promoted to publish his theory of evolution by

Answer 2

an essay by Wallace on evolution

Question 3

An adaption is an inherited characteristic that can be

Answer 3

physical or behavioral

Question 4

The distribution of phenotypes for polygenic trait can often be expressed as

Answer 4

a bell-shaped graph

Question 5

Which of the following events do biologist consider a random change?

Answer 5

Generic drift

Question 6

In additoin to hydrogen, 2 of the gases used in Miller and Urey’s experiment were

Answer 6

methane and ammonia