| A | B |
|---|
| 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 surrounding |
| migration | the movement of an animal fromone 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 or animal that is harmed by a parasite |
| pollution | anything harmful added to the iar, alnd, 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 |
| Plants have structures that help them get _______ and ________. | water and sunlight |
| Animals have structures that help them get ______,_______,and_________. | food, water, and protection |
| Camouflage helps protect animals from_________. | predators |
| Living in______makes it easier for animals to get food, water, and protection. | groups |
| Adult animals ______for their young by providing food, water, protection, and grooming. | care |
| _______ and _______are ways that animals survive during winter weather. | Migration and hibernation |
| Different kinds of animals live together in special ways that may____,_____or__________. | help, harm, or affecct one another. |
| Changes in air, land, and water can be harmful to _________ and ___________. | plants and animals |
| People can help protect the environment by keeping air, land, and water _________. | clean |
| Changes in habitat, hunting, and pollution can make some living things become__________. | extinct |
| ________, such as shells, bones, and footprints, provide infornation about organisms that lived long ago. | Fossils |
