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Animals

Lesson 1 and 2

TermDefinition
homeostasis the condition in which an organisms internal environment is kept stable despite outside conditions
adaption an inherited behavior or physical characteristic that helps an organism survive
vertebrate the bones that make up the backbone of an organism
invertebrate an animal without a backbone
tissue a group of similar cells that preform a specific function
organ a body structure that is composed of different kinds of tissue that work together
bilateral symmetry a body plan in which a single imaginary line divides the body into left and right sides that are mirror images of each other
radial symmetry a body plan in which any number of imaginary lines that all pass through a central point that divide the body into mirror images
Created by: lolkat12
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