Zoology

Zoology

The scientific study of the animal kingdom, including extinct and possibly mythical beings.

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Zoology > Zoological terms

orbital ring

Zoology; Zoological terms

A fleshy ring around the eye; contrastingly colored in some species.

oscines

Zoology; Zoological terms

One of two major subdivisions of the order Passeriformes. Oscines have a more complex syrinx and distinctive DNA patterns and middle ear bone shapes, and they generally must learn ...

osteichthyes

Zoology; Zoological terms

The class of fishes characterized by a swim bladder, bony skeletal systems, and an operculum.

ostracum

Zoology; Zoological terms

The middle, shell building layer, of a snail's shell. Consists of prism-shaped calcium carbonate crystals and organic (proteid) molecules.

oval

Zoology; Zoological terms

Egg shape that is rounded at the largest end and tapered at the oterh end. Often used to describe the typical egg shape.

pleiotropy

Zoology; Zoological terms

The control of more than one phenotypic characteristic by a single gene or set of genes. Pleiotropy occurs when a single gene controls multiple phenotypic traits.