| A | B |
|---|
| organism | A living thing |
| respond | To react to something |
| habitat | The place where an organism lives |
| adaptation | A structure or behavior that helps a living thing survive in its environment |
| environment | All the living and nonliving things that surround an organism |
| reproduce | To make more of one’s kind |
| ridge | A chain or row of mountains |
| valley | a low area between mountains or hills |
| swamp | a wetland with trees and shrubs |
| wetland | A habitat where water covers the soil most of the year |
| marsh | A wetland where grasses and reeds grow |
| bog | A freshwater wetland that is filled with moss and poor soil. |
| coast | the land next to the coast |
| lake | large body of standing water, surrounded by land |
| piedmont | gently rolling land at the base of the mountains |
| plain | a large flat or gently rolling area of land |
| ocean | a large body of salt water |
| river | a body of water that flows downhill |
| physical map | a map that shows landforms, bodies of water, or resources |
| deciduous | a tree or shrub with leaves that change color and fall off in the cooler months |
| coniferous | a tree or shrub which keeps its leaves throughout the winter; also called an evergreen |
| saltwater | water that is very salty |
| freshwater | water that contains almost no salt |
| brackish | a mixture of both fresh and salt water |
| fall line | a place where hard rock meets softer rock |
| succession | the process by which one group of living things replaces another |
| camouflage | an adaptation that allows an organism to blend into its surroundings |
| migration | an adaptation where the animal moves to another place to help it survive |
