The sirenians
A) rest on shore.
B) bear young on land.
C) are completely aquatic.
D) are fish eaters.
E) don't have blubber since they live in tropical water
Correct Answer:
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Q21: It is believed that cetaceans evolved from:
A)
Q22: The following are all similarities between sirenians
Q23: Baleen plates are composed of:
A) calcium carbonate.
B)
Q24: The food of most baleen whales consists
Q25: To reduce drag whales have eliminated
A) external
Q27: Whales, dolphins, and porpoises all belong to
Q28: Bubble nets for confusing and trapping plankton
Q29: Myoglobin is a protein found in the
Q30: Adaptations for deep diving in cetaceans include
Q31: Through evolution, the hindlimbs of cetaceans have
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