Exam 3

Question 1

The true statements regarding the theory of evolution

Answer 1

*It is the central explanation for many biological processes
*It was being actively discussed by other scientists at the time that Darwin proposed natural selection
*it is supported by overwhelming evidence

Question 2

Gradualism

Answer 2

The idea that geological deposition, evolution, and other processes occurred slowly over long periods of time

Question 3

Uniformitarianism

Answer 3

The theory that current laws of nature also applied in times past

Question 4

Castastrophism

Answer 4

The notion that evolutionary change happened during brief dramatic events including a biblical flood

Question 5

Inheritance of acquired characteristics

Answer 5

Lamarck’s hypothesis that through the use and disuse, traits changed, and these changed traits could be passed on to offspring

Question 6

For evolution by natural selection to work in a population of butterflies the following conditions must be true

Answer 6

*more offspring are born that can survive to reproduce
*the butterflies must vary in some traits
*The variable traits must must be heritable
*Traits that vary must affect survival and/or reproduction of the butterflies

Question 7

Evolution can be defined as a change in allele frequency between generations

Answer 7

True

Question 8

The following lines of evidence support the theory of evolution

Answer 8

Direct observation of evolution happening
Homogeneous structure in related groups
Embryology
The fossil record

Question 9

A direct result of natural selection over many generations in a stable environment would be

Answer 9

Population size wil increase

Question 10

Which of the following best describes the evolution of organisms over time?

Answer 10

populations of organisms divide from common ancestors like the branching pattern in a tree

Question 11

Artificial selection is usually significantly faster than natural selection.

Answer 11

True