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TermDefinition
tissue a group of similar cells
organ a group of tissue that perform a task
radial symmetry a animal with multiple lines of symmetry
bilateral symmetry a animal with one line of symmetry
homoeostasis the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
vertebrate an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
invertebrate an animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc. The invertebrates constitute an artificial division of the animal kingdom, comprising 95 percent of animal species and about 30 different phyla.
adoption the action or fact of adopting or being adopted
Created by: wshapley
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