Zoology

Zoology

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Zoology

jointed

Biology; Zoology

When stiff body parts are connected by a soft flexible region, the body is said to be jointed.

librigenae

Biology; Zoology

The "free cheeks"; separate, detachable portions of the trilobite cephalon. More info?

jaw

Biology; Zoology

Often loosely applied to any movable, toothed structures at or near the mouth of an animal, such as the scolecodonts of annelids. In vertebrates, the jaw is derived from the first gill arch.

intestine

Biology; Zoology

The portion of the digestive tract between the stomach and anus; it is the region where most of the nutrients and absorbed.

In birds and reptiles, the maintaining of a constant temperature during the development of the embryo. Birds incubate their eggs by sitting on them (also called brooding),while other animals, like ...

histostructure

Biology; Zoology

The organization and arrangement of tissue (“histo” is from the Greek word for tissue). Since eggshell is a tissue, eggshell histostructure describes the two- and three-dimensional organization of ...