zoo-, zoa-, zo-, -zoic, -zoid, -zoite, -zoal, -zonal, -zooid, -zoon, -zoa, -zoan +

Bestiality.

Sexual activity between a person and an animal.

A red pigment in bird feathers.

Of or pertaining to life.

Any of various flagellated protozoans of the subclass Zoomastigina, lacking plantlike chasracteristics.

Flagellated refers to protozoa that possess moveable threadlike or whiplike structures, or flagellum; specifically, those protozoa having flagella (plural of flagellum) or long, whip-like "tails" of certain cells in both the plant and animal kingdoms, which undulates with a regular pattern; used primarily for locomotion, and also for other purposes; such as, attracting food particles or moving substances through a "mouth" cavity. From the Latin word for "whip".

A yellow pigment in bird feathers.

A motile gamete.

1. A reference to animals that reproduce sexually.
2. A reference to plants having motile gametes.

1. The doctrine of animal production or generation.
2. The origin of animals or animal life on earth.
3. The origin and development of a particular animal species.

1. Being of animal origin.
2. A reference to zoogenesis.

1. Produced by or associated with the activity of animals.
2. A reference to changes caused by animals or their activities; zoogenous.

1. A reference to the generation of animals.
2. Pertaining to the study of animal generation.
3. The doctrine of the production or generation of animals.

1. Produced, acquired, or caused by animals.
2. Originating in or produced by animals; viviparous.

The development and evolution of animals.

A person who studies and records the geographical distribution of animals and animal communities. A zoogeographer is entering descriptions in his book about zoogeography.