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| A particular location on Earth distinguished by its particular mix of interacting biotic and abiotic components. |
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| organisms that use the energy of hte sun to produce usable forms of energy |
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| the process by which producers use solar energy to convert carbon dioxide and water into glucose |
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| the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water |
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| organisms that must obtain its energy by consuming other organisms |
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| Individuals incapable of photosynthesis; must obtain energy by consuming other organisms |
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| carnivores that eat primary consumers |
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| carnivores that eats secondary consumers |
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| Levels in the feeding structure of organisms |
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| The sequence of consumption from producers through tertiary consumers |
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| a complex model of how energy and matter move between trophic levels |
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| carnivores that consume dead animals |
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| The proportion of consumed energy that can be passed from one trophic level to another |
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| Fungi or bacteria that recycle nutirents from dead tissues and wastes back into an ecosystem |
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| Gross Primary Productivity |
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| The total amount of solar energy that producers in an ecosystem capture via photosynthesis over a given amount of time |
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| the energy captured by producers in an ecosystem minus the energy producers respire |
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| the total mass of all living matter in a specific area |
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| the amount of biomass present in an ecosystem at a particular time |
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| the proportion of consumed energy that can be passed from one trophic level to another |
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| a representation of the distribution of biomass, numbers, or energ among trophic levels |
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| the region of our planet where life resides, the comination of all ecosystems on Earth |
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| The movements of matter within and between ecosystems |
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| The movement of water through the biosphere |
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| the release of water from leaves during photosynthesis |
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| the combined amount of evaportation and transpiration |
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| Water that moves across the land surface and into streams and rivers |
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| The six key elements that organisms need in relatively large amounts: nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur |
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| A nutrient required for hte growth of an organism but available in a lower quanitity than other nutrients |
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| A process by which some organisms can convert nitrogen gas molecules directly into ammonia |
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| The transportation of dissolved molecules through the soil via groundwater |
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| An event, caused by physical, chemical, or biological agents, resulting in changes in population size or community composition |
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| all land in a given landsccape that drains into a particular stream, river, lake, or wetland |
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| a measure of how much a disturbance can affect flows of energy and mattter in an ecosystem |
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| the rate at which an ecosystem returns to its original state after a disturbance |
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| the study and implementation of restoring damaged ecosystems |
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| Intermediate disturbance hypothesis |
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| the hypothesis that ecosystems experiencing intermediate levels of disturbance are more diverse than those with high or low disturbance levels |
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| Something that has worth as an instrument or a tool that can be used to accomplish a goal |
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| Soemthign that has worht independent of any benefit it may provide to humans |
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| Goods that humans can use directly |
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