|
Cobras, vipers, scorpions, and centipedes are ____ predators.
|
aquatic
|
|
Most mammals and birds are ____ (warm-blooded).
|
ectothermic
|
|
Corals and sponges are ____ (surface-attached) animals.
|
endothermic
|
|
Most reptiles, amphibians, and fish are ____ (cold-blooded).
|
feral
|
|
Most millipedes secrete ____ substances for defense.
|
nocturnal
|
|
Owls, bats, and crickets are ____ (active at night).
|
poisonous
|
|
Domesticated animals that have returned to the wild are ____.
|
sessile
|
|
Manatees, porpoises, seals, and walruses are ____ mammals.
|
venomous
|
