Flashcards in science yus Deck (9)
an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
an animal that is dependent on or capable of the internal generation of heat; a warm-blooded animal
an animal that is dependent on external sources of body heat
a visible line along the side of a fish consisting of a series of sense organs that detect pressure and vibration
the paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx