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