measurement of the proportionate lengths or sizes of the parts of animals.
the branch of zoology concerned with the relative length or size of the different parts of an animal or animals
any parasitic animal or protozoan. a of animals. zooparasite zo·o·par·a·site (zō’ə-pār’ə-sīt’) n. An animal parasite.
abnormal fear of animals. noun an unusual or morbid dread of animals n. 1901, from comb. form of Greek zoion “animal” (see zoo) + -phobia. Related: Zoophobic; zoophobe. zoophobia zo·o·pho·bi·a (zō’ə-fō’bē-ə) n. An abnormal fear of animals.
an individual animal or animallike organism in plankton.
the aggregate of animal or animallike organisms in , as protozoans. noun the animal constituent of plankton, which consists mainly of small crustaceans and fish larvae Compare phytoplankton n. 1901, from comb. form of Greek zoion “animal” (see zoo) + plankton. zooplankton (zō’ə-plāngk’tən) Plankton that consists of tiny animals, such as rotifers, copepods, and krill, […]