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Science Ch3 Gr4

Science Ch3, Grade 4, Adaptations

basic needs the things that a living thing needs to survive.
adaptation a body part or behavior that helps a living thing survive.
natural selection the process in which the best adapted organisms survive the best
instinct a behavior that an animal begins life with
hibernation an inactive state in which normal body activities slow
migration the movement of animals from one region to another and back
learned behavior a behavior that an animal does not begin life with
fossil what is left of a plant or animal that lived long ago
extinction a kind of plant or animal that had died out
Created by: rhonda.north