| A | B |
|---|
| people | they change the environment when they plant trees |
| cactus | these plants adapt to the environment by having shallow, widespread roots |
| migrate | animals do this when they travel to a warmer place to find food |
| energy | hibernating animals use less of this since their heart beats slower and their body temperature drops |
| beavers | these animals change the environment when they build dams |
| buffalo | hunters killed many of these animals and they nearly became extinct |
| perspire | desert animals do not dry out because they don't do this |
| hibernates | a black bear does this in the winter |
| desert beetles | some of these animals have wax dovering their dark bodies to keep cool and hold in moisture |
| wetlands | water is drained from these the use the land for farming, housing, and industry |
