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WYLIE_Science_UA_4
4th grade WYLIE Science Unit A_ch 4
Term | Definition |
---|---|
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 |