| A | B |
|---|
| biome | a very large area of land with a certain kind of climate and certain kinds of organisms living there |
| deciduous forest | biome where trees shed their leaves each year |
| desert | a biome that is hot and dry during the day, it has very little rain and few plants |
| ecosystem | all the living and nonliving things that interact with each other in an environment |
| global climate | the general or average temperature of the Earth's atmosphere |
| grassland | biome where the land is dominated by grass |
| mud slide | a mass of wet soil and rock that slides down a slope resulting from a large amount of rain |
| natural resources | any part of the Earth or its atmosphere that is necessary or useful to humans |
| photosynthesis | the process that allows green plants and some algae to make sugar from water, carbon dioxide and sunlight |
| pollution | waste material that makes air, water, or soil unsafe for people and other living things |
| rain forest | a biome located near the equator that has a warm and wet climate |
| sunlight | rays from the sun that provide heat and light that sustain life on Earth |
| taiga | a biome with cool temperatures and many conifers |
| conifers | evergreen trees |
| tropical | relating to hot and humid regions of the Earth that are in the Torrid Zone |
| terrarium | a glass container that is filled with a layer of soil and rock used for growing plants or keeping small animals |
| tundra | a biome with cold temperatures and not much rain that keep trees from growing |
| vegetation | the plant life that grows in an area or region |
| wilderness areas | areas with little or no human intervention |
