| A | B |
| adaptation | Anything that helps a living thing survive in its environment. |
| structural adaptation | The way the body of an animal changes so the animal can survive in its environment (teeth, eyes, etc.). |
| protective coloration | Also called camouflage, this is when the color of an animal's skin or fur help it blend into its environment. |
| mimicry | The ability of a living thing to look, sound, or act like another animal to fool its predators. |
| behavior adaptations | Activities that help living things survive, including social behavior or acting dead. |
| migration | A behavioral adaptation that allows an animal or group of animals to move from one region to another and back again. |
| hibernation | A deep sleep in which an animal's body temperature drops to about the temperature of the environment. |
| predator | An animal that eats other animals. |
| prey | An animal that is eaten by other animals. |
| herbivore | Living things that eat only plants. |
| carnivore | Living things that eat only meat. |
| omnivore | Living things that eat both meat and plants. |
| food chain | A small portion of a food web that centers around one organism. |
| food web | How and from what living things get their energy (food), usually shown as a picture that shows which living things are producers, which are consumers, and what each living thing eats. |
| producer | Living things that make their own food from sunlight (like plants). |
| decomposer | Living things that feed off dead plants and animals. |
| consumer | A living thing that gets its food by eating other living things. |