Chapter 13.3.

Question 1

occurs when natural selection for similar environmental factors causes unrelated organisms to resemble each other.

Answer 1

convergent evolution

Question 2

The shape between dolphins and sharks is an example of _______ evolution.

Answer 2

convergent

Question 3

_____ is required for proper development in babies and for adequate sperm production in males.

Answer 3

folate

Question 4

a change in allele frequency that occurs due to chance is called what?

Answer 4

Genetic drift

Question 5

High UV Light levels
Light skin = low _____
____ folate

Answer 5

fitness

low

Question 6

High UV light levels
Dark skin = High _______
_____ folate

Answer 6

fitness

adequate

Question 7

Low UV light levels
Dark skin= _____
_______ folate

Answer 7

fitness

adequate

Question 8

Low UV light levels
light skin=high _______
_____ folate

Answer 8

fitness

adequate

Question 9

Genetic differences occur when a small sample of a larger population establishes a new population. This is referred to as the ______ effect

Answer 9

founder

Question 10

a disaster wipes out most of the population, leaving only a small subset of survivors. This is referred to as the ____ effect.

Answer 10

bottleneck effect