Evolution Unit Review

Use the image shown. Which conclusion about the relatedness of the lizards do these data support?

• G. atlantica and G. stehlini are the least closely related.

• G. simonyi and g. bravoana are the most closely related.

• G. galloti eisentrauti and G. galloti palmae are the most closely related.

• G. galloti eisentrauti and G. galloti galloti are the least closely related.

Tags

B.9A

A model of speciation is shown. If the blue line represents a river that forms a barrier between the two populations, what type of isolation is shown?

• Temporal

• Behavioral

• Geographic

Tags

B.10C

Punctuated equilibrium like that shown in the picture is often the result of a ______ environment

• Stable

• Unstable

• Radical

• unchanging

Tags

B.9B

In the sixth week of gestation, the human embryo possesses a tail, complete with several vertebrae. In the next couple weeks of development, however, the tail disappears, and over time the vertebrae fuse to form the coccyx, or tailbone, in the adult. What type of structure is this?

(a)  

Tags

B.9A

Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice
• The hawks eat more dark mice than light mice because the dark mice taste better
• The hawks eat more light mice than dark mice because they can see the light mice more easily
• The hawks eat more dark mice than light mice because they can see the dark mice more easily

Tags

B.10A

Structures that are similar in different species that show evidence of common ancestry are known as ...

(a)  

Tags

B.9A

Match the following

• Stabilizing selection

• 
• Disruptive selection

• 
• Directional selection

• 

Tags

B.10C

The Grand Canyon acts as a natural barrier, separating the North Rim from the South Rim. As a result, two distinct squirrel species, the Kaibab squirrel on the North Rim and the Abert’s squirrel on the South Rim, have evolved separately.

What type of isolation is demonstrated by the geographic separation of the Kaibab squirrel and Abert’s squirrel due to the Grand Canyon?

• Behavioral isolation
• Temporal isolation
• Geographic isolation

• Sympatric isolation

Tags

B.10C

The graph shows the population of Peppered Moths in England. Explain how natural selection explains the results from the graph.

Tags

B.10B

Match the following

• Stable state with little evolutionary change

• Punctuated equilibrium

• Slow and steady evolutionary change

• Stasis

• Period of no change, then rapid change

• Gradualism

Tags

B.9B