Zoology

Zoology

Industry: Biology

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Zoology

chordate

Biology; Zoology

An animal with a notochord (a cartilaginous rod that extends the length of the body), dorsal hollow nerve cord (a fluid-filled tube that runs the length of the body), gill slits or pouches, and a ...

chelicera

Biology; Zoology

The first pair of appendages of a chelicerate arthropod. Originally a short clawed appendage, the chelicerae of many arachnids are highly modified for feeding; in spiders, for instance, they are ...

chaetae

Biology; Zoology

Stiff bristles characteristic of annelids.

cephalon

Biology; Zoology

In trilobites, the head shield bearing the eyes, antennae, and mouth. More info?

brain

Biology; Zoology

Collection of nerve cells usually located at the anterior end of an animal, when present at all. The nerves coordinate information gathered by sense organs, locomotion, and most internal body ...

A set of soft overlapping flaps, covered up by a plate on the abdomen, through which oxygen is taken up and carbon dioxide given off. Characteristic of many terrestrial arachnids such as scorpions ...