Question | Answer |
environment | The surroundings in which an organism lives, which provide the specific things an organism needs. |
biotic | Relating to the living parts of an environment. |
abiotic | Relating to the nonliving parts of the environment. |
habitat | The part of an environment in which an organism lives. |
population | Organisms of the same species living together in the same environment. |
community | The populations living in the same environment at the same time. |
ecosystem | A community and the abiotic parts of its environment. |
niche | The role an organism plays in an ecosystem. |
biome | A region of the world that is defined by its climate and the unique plants and animals that live there. |
deciduous forest | A biome in which the dominant plants are broad-leaved trees that shed their leaves each fall. |
grassland | A biome where the dominant plants are grasses. |
taiga | A biome where winters are very cold and long and the dominant plants are conifers. |
evaporation | The change of water from liquid water to water vapor. |
water cycle | The movement of water through Earth's ecosystem. |
transpiration | The process by which plants lose water to the air. |
condensation | The process by which water vapor changes from a gas to a liquid. |
precipitation | The process by which water returns to Earth's surface, usually as rain or snow. |
groundwater | Water that soaks into the ground. |
carbon cycle | The flow of carbon dioxide and oxygen through Earth's ecosystems. |
nitrogen cycle | The movement of nitrogen through ecosystems. |
reusable resources | Resources that can be used again and again. |
renewable resources | Resources that can be replaced within a human life span. |
nonrenewable resources | Resources that cannot be replaced within a human lifespan. |