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vscience
Ecosystem review
| Question | Answer |
|---|---|
| Biosphere | the top portion of earths crust,all the waters that cover earths surface and the surrounding atmosphere |
| Ecosystem | all the organisms living in an area and the non living features of their enviorment |
| Community | amade up of different populations |
| populations | organisms in an ecosystem that consist of the same species |
| habitat | place where an organism is |
| niche | specific rule in an ecosystem(how they survive) |
| producers | this is the energy source that drives an ecosystem |
| consumers | organisms that cannot make their own energy |
| Predators | organisms that capture and eat other consumers |
| autotrophs | organisms that use an outside energy source to make their own energy rich food |
| limiting factor | this is anything that restricts the number of individuals in a population |
| Food chains | a simple model of feeding relationships |
| Prey | organisms that are being captured and eaten |
| omnivore | this types of consumers eats both plants and animals |
| decomposers | organisms are recyclers because they return nutrients to the soil fro other organisms to use |
| herbivores | only eat producers |
| scavengers | these organisms feed on the bodies of dead organisms |
| abiotic | non-living |
| biotic | living |
| what happens to other 90%?? | used for life process or lost as heat in the enviorment |
| how they obtain food | autotrophs or heterotrophs |
| Formula for glucose | C6H12O6 |
| primary succesion | without soil |
| secondary succesion | with soil |
| pioneer species | dont need soil |
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