Final Study Guide

Question 1

Lamarck’s Theory of Evolution

Answer 1

Organisms can pass on variation in traits acquired in their lifetime

Question 2

Charles Darwin’s 2 Fundamental Insight on Evolution

Answer 2

1) The environment selects on variation in the traits of individual organisms
2) All species have descended from one or a few common ancestors

Question 3

2 requirements of artificial selection

Answer 3

1) Must be caused by homo sapiens
2) Must be an intentional change on a single trait

Question 4

Natural selection

Answer 4

modifies genotypes over time by sorting based on phenotype

Question 5

Researchers studying variations in oldfield mouse coat color found that the mice were experiencing differential reproductive success because

Answer 5

light mice were more often attacked on dark colored soil

Question 6

B. rapa populations in California had a significant shift in the average day to first flowering after the drought in 2004 because

Answer 6

Plants that had already flowered had greater reproductive success due to genetic variation in the populations

Question 7

Four constraints to NS

Answer 7

Genetic - gene affects multiple processes and this cannot be changed
Physical - owl must have front facing eyes to detect prey
Gene flow - flow of genes from one pop to another
Requires variation

Question 8

In the Rock Canyon of my youth, many layers of rock are vertical, making for great climbing walls. Which principle of Relative Dating explains this phenomenon? (write the principle name)

Answer 8

Principle of horizontality

Question 9

Phenetic species concept

Answer 9

group of organisms that are phenotypically distinct