Living Together Totally

. What are the main ideas of the text?

• A

• B

• C

• D

Which choice is an example of a symbiont that helps its host?

• A

• B

• C

• D

Why do trees and corals depend on symbiosis to live?

• A

• B

• C

• D

What can the reader infer about sunfish based on paragraph 1?

• A

• B

• C

• D

What does the author mean by the phrase “hitch a ride” in paragraph 4?

• A

• B

• C

• D

Which quotation from the text supports the inference that there are more examples

of symbiosis than those listed in the text?

• A

• B

• C

• D

What does the word pollution mean as it is used in paragraph 10?

• A

• B

• C

• D

Which quotation from paragraph 10 best supports the answer to Part A?

• A

• B

• C

• D

Which two choices tell why sea lice are parasites instead of predators?

• A

• B

• C

• D

• E