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Biology: Animal Facts

Most mammals and birds are ____ (warm-blooded). dorsal
The ____ (top) shell of a turtle is called the carapace. ectothermic
Most reptiles, amphibians, and fish are ____ (cold-blooded). endothermic
Wolves, owls, bats, and crickets are ____ (active at night). nocturnal
Most roundworms are free-living. Most flatworms are ____. oviparous
The ____ (bottom) shell of a turtle is called the plastron. parasitic
Cobras and vipers have fangs that inject ____ saliva. venomous
Most birds and reptiles are ____ (egg-laying). ventral