|
Most mammals and birds are ____ (warm-blooded).
|
ectothermic
|
|
Cobras, vipers, scorpions, and centipedes are ____ predators.
|
endothermic
|
|
Most roundworms are free-living. Most flatworms are ____.
|
feral
|
|
Domesticated animals that have returned to the wild are ____.
|
migratory
|
|
Corals and sponges are ____ (surface-attached) animals.
|
oviparous
|
|
Arctic terns, caribou, monarchs, and salmon are ____ animals.
|
parasitic
|
|
Most birds and reptiles are ____ (egg-laying).
|
sessile
|
|
Most reptiles, amphibians, and fish are ____ (cold-blooded).
|
venomous
|
