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ch. 27
Quiz by Tatiana Maya
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animals digest food externally
animals can have no symmetry, radial symmetry, or ____ symmetry
95% of all animals are
one defining characteristic of arthropods is their
in humans, the dorsal hollow nerve cord becomes
amniotic eggs and ___ help reptiles and mammals further colonize land
birds descend from
avian adaptation to flight includes
unicellular fungi are known as
fungi undergo internal digestion