Glossary
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Vertebrate
An animals with a spinal column (backbone).
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Limb
An appendage to the main body of an organism.
For example, an arm, leg, flipper or wing.
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For example, an arm, leg, flipper or wing.
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Vestigial
Remaining as a remnant or trace of a structure that had been present in the ancestors of a species.
Quadruped
Four-footed animal.
Most mammals, including cats and dogs, are quadrupeds.
Primates (including humans), kangaroo rat, springhare, kangaroos, wallabies, and the ground pangolin are notable exceptions to this generalization.
Most mammals, including cats and dogs, are quadrupeds.
Primates (including humans), kangaroo rat, springhare, kangaroos, wallabies, and the ground pangolin are notable exceptions to this generalization.
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