7-3| Carrying Capacity and Cycles

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Carrying Capacity

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The average number of individuals that can be supported in a given space based on available resources.

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Limiting Factor

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biotic and abiotic factors that keeps the growth of a population at its carrying capacity.

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Limited resource

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resource that we use faster than we can remake it, such as water.

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Niche

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role that a particular species plays in its ecosystem, including all the ways that the species interacts with the biotic and abiotic factors in the ecosystem.

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Water Cycle

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Water evaporates from lakes, rivers, and streams into the atmosphere and forms clouds and precipitation returns the want to land, gathering through runoff into streams, lakes, rivers, and oceans.

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Transpiration

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Water that evaporates out of plants through their stomata, drawing water up from the roots.

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Carbon Cycle

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biogeochemical cycle through which carbon is recycled through the atmosphere, biosphere, and geosphere.

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Fossil Fuels

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nonrenewable natural resource created from the remains of formerly living organisms that can be used for energy.

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Greenhouse Gasses

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gases such as carbon dioxide and methane that absorb and hold heat from the sun’s infrared radiation in the atmosphere.

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Nitrogen Cycle

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biogeochemical cycle through which nitrogen is recycled through the biotic (living) and abiotic (nonliving) components of ecosystems.