Frog Sounds Quiz

In which part of the selection can the reader find information about the patterns of frog songs?

• Being Heard but Not Seen

• Small but Loud

• Singing with Purpose

• More Work to Do

What does Narins’s study of frog calls suggest about frogs?

• They sing differently when people are nearby.

• They are aware of the particular sounds their species makes.

• They often repeat songs they hear from other animals.

• They sing louder during the day than at night.

Which idea from the selection does the first photograph support?

• Frogs need human protection in nature.

• Frogs croak to interact with one another.

• Frogs can hide easily because of their size.

• Frogs search for food during the night.

The purpose of this selection is mainly to —

• explain how frogs use their calls to keep themselves safe

• offer the reasons why people have trouble identifying frog calls

• describe several ways that scientists study frog calls

• list the reasons that frog calls differ between species

Which of the following belongs in the empty box for the effect?

• The frogs alert other frogs by making a loud sound.

• The frogs croak to distract their enemies.

• The frogs quickly search for a hiding place.

• The frogs stop making sounds.

Which words from paragraph 6 help the reader know the meaning of distinct?

• difficult for others to copy

• made recordings

• mixed up the patterns

• didn't call back

Which of the following is the best summary of the section "Singing with Purpose"?

• Peter Narins is a scientist who studies frogs and frog calls. By observing many frogs in nature, Narins has learned some interesting things about a species of frog in Puerto Rico.

• The scientist Peter Narins studies frog calls. He records the calls, plays them back to other frogs, and observes the frogs’ responses. Narins has discovered different meanings in the frog calls.

• Scientists study all kinds of things, including frog calls. One scientist who studies frog calls is Peter Narins. He is interested in learning about how frogs use their calls.

• The scientist Peter Narins decided to study the sounds frogs make. He learned that frog calls are difficult for frogs’ enemies to copy. Some of these calls occur at the same time every night.

Read the diagram. Which of these best completes the diagram?

• They are most active at night.

• They sing loud songs along with other animals.

• They return to the same place each day to sleep.

• They repeat the noises of other animals.

How does having a loud call benefit frogs?