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4th grade WYLIE Science Unit A_ch 4

adaptation any structure or behavior that helps a living thing meet its needs for survival
camouflage any coloring, shape, or pattern that allows a living thing to blend into its surroundings
migration the movement of an animal from one location to another as the seasons change
hibernation a long deep sleep in which an animal's heart rate and breathing are much slower than normal
symbiosis a special way in which two different kinds of living things live together
parasite a plant or animal that feeds off another living thing and harms it
host a plant animal that is harmed by a parasite
pollution anything harmful added to the air, land, or water
recycle to use the same materials over and over again
endangered having a population that is falling low in number and that is in danger of becoming extinct
extinct no longer existing
fossil any mark or remains of a plant or animal that lived a long time ago
Created by: Wylie