| A | B |
| biome | large area of the earth with certain conditions and characterisitics |
| population | same kind of organisms living in the same place |
| community | all populations that live together in the same place |
| stream | small body of flowing fresh water |
| river | large body of fresh water that flows |
| pond | small body of fresh water surrounded by land |
| ocean | great body of SALT water |
| swamp | wet area WITH trees and shrubs |
| marsh | wet area with grasses and cattails, NO TREES AND SHRUBS |
| desert | biome with little precipition |
| grassland | boime with lots of grass but not enough precepitation to support growth of many trees |
| forest | biome covered with many trees |
| rain forest | biome with lots of precipitation and high daytime temperature |