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Science Chapter 4 Be
Science Chapter 4 Beaulier
| Question | Answer |
|---|---|
| One of earth's large ecosystems, each with its own kind of climate, soil, plants, and animals. | biome |
| The continuous exchange of carbon dioxide and oxygen among living things. | carbon cycle |
| The boundary where a freshwater ecosystem meets a saltwater ecosystem. | estuary |
| A species that has died out completely. | extinct species |
| Organisms that swim through the water in aquatic ecosystems | nekton |
| The continuous trapping of nitrogen gas into compounds in the soil and its return to the air. | nitrogen cycle |
| The first community living in a lifeless area. | pioneer species |
| The process of one ecosystem changing into a new an different ecosystem. | succession |
| Bare rock to full trees. | primary succession |
| Abandoned farm or forest fire to full trees | secondary succession |
| Lichens and mosses grow on bare rock | pioneer community |
| Grasses, shrubs, and small plants begin to grow. | intermediate community |
| Full grown trees | climax community |
| Evergreen trees (conifers) and 4 distinct seasons | taiga |
| Permafrost, frozen all year long and treeless | tundra |
| Wet, lots of trees, warm, close to the equator | tropical rain forest |
| Wet, lots of tree, cool | temperate rain forest |
| Hardwood trees that lose their leaves, 4 distinct seasons | deciduous forest |
| Only grasses grow because there is less rain | grassland |
| African grassland | Savannah |
| The continuous movement of water between earth's surface and the air, changing from liquid into gas and in to liquid. | water cycle |
| When a species is in danger of becoming extinct (all gone) | endangered species |
| Species that no longer exists | extinct species |
| Species with a low number that could become endangered | threatened species |
| Type of fresh water ecosystem that is always in motion | running water |
| Type of fresh water ecosystem that moves very little | standing water |
| Type of fresh water ecosystem that is a mix of land and water | freshwater ecosystem |
| Running water | river, stream, brook |
| Standing water | lake |
| Fresh water | swamp, bog |
| Ocean ecosystem closest to shore with lots of light | intertidal zone |
| Ocean ecosystem on the continental shelf - some light | neritic zone |
| Ocean ecosystem at the top of the deep area ocean - little light | bathyal zone |
| Ocean ecosystem at the bottom of the deep area of ocean - deep, dark, and no light | abyssal zone |
Created by:
mbeaulier
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