| A | B |
|---|
| adaptation | structure or behavior that helps a living thing survive |
| camouflage | any coloring, shape or pattern that allows a living thing to blend into its surroundings |
| migration | movement of an animals from one location to another |
| hibernation | a long, deep sleep |
| symbiosis | two different kinds of things living together |
| parasite | plant or animals that feed off another living thing and harms it |
| host | plant or animal that is harmed by parasite |
| pollution | anything harmful added to air, land or water |
| recycle | to use the same materials over again |
| endangered | having a population that is falling low in numbers |
| extinct | no longer existing |
| fossil | any mark or remains of a plant or animal that lived long ago |
