|
Most birds and reptiles are ____ (egg-laying).
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arboreal
|
|
Most roundworms are free-living. Most flatworms are ____.
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ectothermic
|
|
Cobras, vipers, scorpions, and centipedes are ____ predators.
|
oviparous
|
|
Most millipedes secrete ____ substances for defense.
|
parasitic
|
|
Sloths, koalas, and most chameleons are ____ (tree-dwelling).
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placental
|
|
The ____ (bottom) shell of a turtle is called the plastron.
|
poisonous
|
|
Mammals are classified as monotreme, marsupial, or ____.
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venomous
|
|
Most reptiles, amphibians, and fish are ____ (cold-blooded).
|
ventral
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