The writer of “Dolphin Communication” decided to add more information to the section on body language. Select all the sentences that contain ideas or information that could be organized under a broader category of dolphin “Body Language.”
1) Dolphins are mammals and must surface for air to breathe.
2) Dolphins belong in the scientific family Delphinidae.
3) Baby dolphins develop their signature whistles as young as one month old.
4) Sharp, sideways head jerks, called snits, may indicate aggression or agitation.
5) Like bats, dolphins use echolocation, locating objects by using reflected sound.
6) Dolphin diets include a wide variety of fish, squid, and crustaceans, such as shrimp.
7) Some researchers use hand signals to give instructions to dolphins in their labs.
8) Dolphins use rough, aggressive touches to establish dominance over other dolphins.
3) Baby dolphins develop their signature whistles as young as one month old.
4) Sharp, sideways head jerks, called snits, may indicate aggression or agitation.
8) Dolphins use rough, aggressive touches to establish dominance over other dolphins.
The sentences that contain ideas or information that could be organized under a broader category of dolphin "Body Language" are:
4) Sharp, sideways head jerks, called snits, may indicate aggression or agitation.
8) Dolphins use rough, aggressive touches to establish dominance over other dolphins.
4) Sharp, sideways head jerks, called snits, may indicate aggression or agitation.
8) Dolphins use rough, aggressive touches to establish dominance over other dolphins.