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Most mammals and birds are ____ (warm-blooded).
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ectothermic
|
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Domesticated animals that have returned to the wild are ____.
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endothermic
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Cobras, vipers, scorpions, and centipedes are ____ predators.
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feral
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Most millipedes secrete ____ substances for defense.
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migratory
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Arctic terns, caribou, monarchs, and salmon are ____ animals.
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poisonous
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The ____ (bottom) shell of a turtle is called the plastron.
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sessile
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Corals and sponges are ____ (surface-attached) animals.
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venomous
|
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Most reptiles, amphibians, and fish are ____ (cold-blooded).
|
ventral
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