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Homeostasis The condition in which an organim's internal envirment is kept stable in spite of changes in the exteral envirment.
Vertebrate The bones that make up the backbone of an organisum. In humans, one of the 26 bones that make up the backbone.
Adaption An inherited behavior or physical charcteristics that helps an organism survive and reperduce in its envirment
Invertebrate An animal without a backbone.
Tissue A group of similer cells that preform a spicific function.
Organ A body structure that is composed of different kinds of tissues that work together.
Radial Symmetry A body plan in which any number of imagry lines that all pass through a central point divide the animal into two mirror images.
Bilateral Symmertry A body plan in which a single imagry line divides the body into left and right sides that are mirror images of each other.
arthropod An invertebrate that has an external skeleton, a segmented body, and jointed appendages.
chordate An animal that has a notochord, a nerve cord, and throat pouches at some point in it's life.
Created by: N.Richardson