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| Abiotic Factors/components in ecosystems |
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Definition
| Any nonliving factor in an organism's environment EX soil, water temp, light availability |
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| Cannot make its own food. Eats other organisms. |
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| Eats only plants. Ex. grasshoppers, cow, rabbit |
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| Heterotroph that eats other heterothophs. Ex. wolves, lions |
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| Heterotrophs that eat BOTH plants and animals. EX humans, bears |
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| Heterotrophs that feed on dead animals adn plant remains (scavengers) EX. buzzards |
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| Heterotrophs that feed on other organisms by breaking them down. Ex. fungus, bacteria |
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| Each step in a food chain or food web |
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| Simplified model that shows a single path for energy flow through an ecosystem. |
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| Model that shows many interconnected food chains and pathways in which energy and matter flow through an ecosystem. |
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| Total mass of living matter at each trophic level. |
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| anything that takes up space and has mass |
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| Chemical substance that living organisms obtain from the environment to carry out life processes and sustain life. |
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| Exchange of matter through the biosphere involving living organisms, chemical processes, and geological processes |
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| Process in which nitrogen gas is captured and converted into a form plants can use. |
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| Process in which fixed nitrogen compounds are converted back into nitrogen gas and returned to the atmosphere |
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| Ability to do work; energy cannot be created or destroyed, only transformed |
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| Study of the flow and transformation of energy in the universe. |
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| All of the chemical reactions that occur within an organism |
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| 2 phase anabolic pathway in which the Sun's light energy is converted to chemical energy for use by the cell |
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| Catabolic pathway in which organic molecules are broken down to release energy for use by the cell |
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| Adenosine Triphosphate (ATP) |
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| ENERGY carrying biological molecule, which, when broken down, thrives cellular activities |
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| Metabolic process that does not require oxygen |
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| A metabolic process that requires oxygen |
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| Metabolic process in which pyruvate is broken down and electron-carrier molecules are used to produce ATP through electron transport |
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