Quiz 2 21-25

Question 1

This diagram shows cellular activity across a cell membrane. Which two processes does this diagram most directly model?

Answer 1

J) Homeostasis and transport of molecules

Question 2

The picture shows a 3-D model of a virus called a bacteriophage. Bacteriophages can infect bacteria such as E. coli. In what way are the bacteriophage and E. coli alike?

Answer 2

J) They lack membrane-bound organelles.

Question 3

Nudibranchs are marine gastropods that lack shells. Many of these gastropods retain the foul-tasting poisons of their prey and secrete them when threatened. The bright coloration of the nudibranchs warns predators to avoid them. Based on this information, how has adaptation allowed marine gastropods to be successful without a shell?

Answer 3

H) They are not attacked by most predators and are able to reproduce successfully.

Question 4

The 1918 influenza epidemic killed between 50 million and 100 million people worldwide. This epidemic happened near the end of World War I. More people died from the influenza epidemic than were killed in the war. Which of the following explains why this virus was so deadly worldwide?

Answer 4

J) All of the above

Question 5

Which statement is an example of how carbon moves through a food chain as part of the carbon cycle?

Answer 5

G) Producers take in carbon dioxide, and consumers release it.