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Definition
| The capacity to work or cause change. |
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| The portion of chemical energy that is available to do work. |
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| chemical work, mechanical work, transport, constructing and breaking down large molecules, organizing molecules into cells, movement and concentration of raw materials. |
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| organisms that obtain energy and nutrients from other organisms |
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| organisms that obtain energy and nutrients from nonliving sources |
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| organisms that capture energy using photosynthesis |
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| organisms that obtain energy from inorganic chemicals in the environment. |
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Term
| Chemical energy is traced to ________ |
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Definition
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Definition
| chemical reactions that release the free energy of organic compounds |
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Definition
| autotrophs which produce food other organisms use |
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Definition
| Consume plants and other organisms for food |
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Definition
| break down and use dead plants and animals for food (release nutrients, no energy) |
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Definition
| flow of energy through the ecosystem |
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Term
| Ecosystem is composed of ____________ |
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Definition
| biotic factors and abiotic factors |
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| places where particular organisms live |
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| all ecosystems combine to make biosphere |
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Term
| First law of thermodynamics/ law of conservation of energy |
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Definition
| energy cannot be created or destroyed, but can change form |
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Definition
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| Systems tend to change in a way that increases _______. |
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Definition
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| Energy is a key to maintaining ____________ |
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Definition
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Definition
| energy stored in the organic molecules from which organisms are made. |
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| the process of capturing energy from sunlight and using it to synthesize organic compounds from carbon dioxide and water |
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Definition
| the process of capturing energy by obtaining free energy from inorganic chemicals in the environment, which is stored as chemical energy and used for cellular work. |
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Term
| Second law of thermodynamics |
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Definition
| systems tend to change in a way that increases the disorder or entropy of the system plus its surroundings. |
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