|
Owls, bats, and crickets are ____ (active at night).
|
aquatic
|
|
Domesticated animals that have returned to the wild are ____.
|
arboreal
|
|
Most mammals and birds are ____ (warm-blooded).
|
endothermic
|
|
Manatees, porpoises, seals, and walruses are ____ mammals.
|
feral
|
|
Sloths, koalas, and most chameleons are ____ (tree-dwelling).
|
migratory
|
|
Cobras, vipers, scorpions, and centipedes are ____ predators.
|
nocturnal
|
|
The ____ (bottom) shell of a turtle is called the plastron.
|
venomous
|
|
Arctic terns, caribou, monarchs, and salmon are ____ animals.
|
ventral
|