. Which best expresses the main idea of this article? a. Bees, whales, and apes like Koko all use language to communicate.

b. Koko uses sign language but some think it's just a trick.

c. It is natural for gorillas and house cats to live together.

d. If you want a lot of "likes" on Facebook, get a talking gorilla.

2. Which best describes how the second paragraph is organized?

a. Chronological order b. Cause and effect

c. Compare and contrast d. Problem and solution

3. Which best expresses the author's purpose in writing the second paragraph?

a. The author is describing the environment in which Koko lives.

b. The author is informing readers how Dr. Patterson developed her skills.

c. The author is persuading readers that Koko should be freed.

d. The author is telling readers about Koko and Dr. Patterson's background.

Long-Response Questions

4 Does Koko really understand sign language? Support your position with quotes from the text. Explain your quotes clearly. Argue your point thoroughly.

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