Short informative text about how dolphins communicate using sounds and body language, and an experiment showing call-and-response between a mother and her young offspring. The material highlights scientists' observations that dolphins may recognize who they are communicating with, though the exact meaning of their sounds remains unknown.

Who were the two dolphins placed in separate locations in the experiment?

What connected the two dolphins so they could communicate during the experiment?

What pattern of vocal behavior was observed between the dolphins in the experiment?

What did scientists believe about the dolphins' awareness of their communication partner?

Besides sounds, what other channel do dolphins use to convey information to one another?

Because dolphins only use bubbles to signal

Because they produce varied sounds and display interactive behaviors

Because dolphins write messages with objects

Why do scientists conclude that dolphins are 'really talking' rather than merely making random noises?

They have translated most dolphin sounds into human language

Do scientists currently understand the exact meaning of dolphin sounds?

Which adjective best describes dolphins based on the reading material?

How do dolphins typically communicate when they are in a group?

What is an example of non-vocal communication dolphins use to 'tell' something to another dolphin?

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