Term
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Definition
When organisms are affected by changes in habitat |
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Term
Changes in an ecosystem result from changes in which four factors? |
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Definition
Climate, Human activity, Population, and Introduction of nonnative species |
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Term
How do the relative rates of birth, immigration, emigration, and death each affect the size of populations? |
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Definition
The relative rates affect the size of populations because population sizes of any organism in an ecosystem decreases through decreased rates of birth and immigration and increased rates of emigration and death |
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Term
A vital part of an ecosystem is the ________ of its _____________ and __________ |
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Definition
Stability Producers Decomposers |
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Term
At each link in a food web some _______ is stored in newly made _________ but much of it is __________ into the environment as ____________ |
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Definition
Energy Structures Released Heat |
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Term
What is an ENERGY PYRAMID? |
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Definition
A visual representation of the amount of energy and energy loss in ecosystems. The sunlight divides by 10 as you go up |
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Term
What is Batesian mimicry? |
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Definition
When a harmless prey blends in with a poisonous animal. |
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Term
What is Mullerian mimicry? |
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Definition
When a prey mimics the poison mark of another |
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Term
What is cryptic coloration? |
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Definition
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Term
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Definition
When organisms have light undersides and dark backs. |
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Term
What is special resemblance? |
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Definition
When an organism not only resembles it's color, but also its SHAPE. Usually a twig, stick, grass, or leaf |
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Term
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Definition
One species benefits and the other is not affected +/0 |
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Term
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Definition
Both species benefit from each other +/+ |
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Term
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Definition
One species benefits, and one is harmed +- |
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Term
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Definition
Both animals are harmed -/- |
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Term
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Definition
Neither animal is affected 0/0 |
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Term
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Definition
One is harmed and the other is not affected -/0 |
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Term
What are the 6 types of ecological interactions between organisms? |
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Definition
Commensalism, Mutualism, Parasitism/Predation, Competition, Neutralism, Amensalism |
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Term
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Definition
Changes in form to avoid being eaten |
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Term
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Definition
No two individuals of a species are identical. |
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Term
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Definition
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Term
What are four abiotic factors? |
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Definition
Light, Soil, Gases, Water |
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Term
The non-living part of the ecosystem is called |
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Definition
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