Multiple choice

1. What is the process by which a species becomes better suited to its environment?

A. Variation 

B. Adaptation 

C. Selection

D. Adjustment

2. Of the four plant groups, which one probably evolved first?

A. Angiosperms 

B. Ferns 

C. Mosses

D. Gymnosperms

3. Which one of the following is an example of a postzygotic reproductive barrier?

A. Hybrid sterility 

B. Habitat isolation 

C. Incompatible anatomy

D. Gamete isolation

4. Most fungi live by decomposing the remains of plants, animals, and microbes found in

soil. That is why most fungi are called

A. mushrooms. 

B. saprotrophs. 

C. lichens.

D. mycelium