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Definition
| scentific study of interactions among & between organisms and their environments or interactions |
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| combine parts of the planet in which all life exsists |
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| collection of all organisms that live in particular place together with their nonliving, physical environment |
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| different populations that live together in a defined area |
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| What is another name for a Producer? |
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Definition
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| organisms that can capture energy and use it to produce food |
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| What is another name for heterotrophs? |
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| organisms that rely on other organisms for their energy and food supply |
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Eats plants and animals
Note: We are this! =) |
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| Eats plants and animal remains and other dead matter |
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| Breaks down organic matter |
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Definition
| series of steps in which organisms transfer energy by eating and being eaten |
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| Links all food chains together in an ecosystem |
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| Each step in a food web or chain |
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| chemical substances that an organism needs to sustain life |
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| Legumes converting nitrogen gas into ammonia |
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| Bacteria converts nitrates into nitrogen gas |
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Definition
| Elements, chemicals and other forms of matter are passed from one organism to another and from one part of the biosphere to another |
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Definition
| When an ecosystem is limited by a single nutrient that is scarce or cycles very slowly |
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| group of organisms so similar to one another they can breed and produce fertile offspring |
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| Group of individuals that belong to the same species and live in the same area |
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| different populations that live together in a defined area |
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| Group of ecosystems that have the same climate and dominant communities |
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| What are the two main sources of energy for our planet? |
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| organisms using chemical energy to produce carbohydrates |
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Definition
| plant and animal remain and other dead matter |
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| Why can matter recycle through the biosphere? |
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Definition
| Biogeochemical cycles allows it to |
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