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Corals and sponges are ____ (surface-attached) animals.
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aquatic
|
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Owls, bats, and crickets are ____ (active at night).
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ectothermic
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Most reptiles, amphibians, and fish are ____ (cold-blooded).
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feral
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The ____ (bottom) shell of a turtle is called the plastron.
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nocturnal
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Mammals are classified as monotreme, marsupial, or ____.
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placental
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Manatees, porpoises, seals, and walruses are ____ mammals.
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poisonous
|
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Domesticated animals that have returned to the wild are ____.
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sessile
|
|
Most millipedes secrete ____ substances for defense.
|
ventral
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