|
Owls, bats, and crickets are ____ (active at night).
|
aquatic
|
|
The ____ (bottom) shell of a turtle is called the plastron.
|
ectothermic
|
|
Arctic terns, caribou, monarchs, and salmon are ____ animals.
|
migratory
|
|
Most millipedes secrete ____ substances for defense.
|
nocturnal
|
|
Corals and sponges are ____ (surface-attached) animals.
|
poisonous
|
|
Manatees, porpoises, seals, and walruses are ____ mammals.
|
sessile
|
|
Cobras, vipers, scorpions, and centipedes are ____ predators.
|
venomous
|
|
Most reptiles, amphibians, and fish are ____ (cold-blooded).
|
ventral
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