| A | B |
|---|
| camouflaged | disguised by blending in naturally with the surroundings |
| extinction | dying out of a species of plants or animals |
| forage | to go looking for food |
| hibernation | an inactive state resembling a deep sleep |
| mammals | members of an animal family that are warm-blooded and have hair or fur on their bodies |
| recycling | repeated use of materials |
| species | a group of animals or plants that are classified as similar |
| digested | changed food into a form that can be used by the body |
| dominant | most important or most powerful; ruling, controlling |
| enrich | to make richer in value or quality |
| enzymes | substances produced in animal and plant cells that cause a chemical change in other substances |
| nutrients | substances in food that are needed for health |
| riverbed | the bottom of a river |
| scavenging | looking for food or items, especially that which is thrown away |
