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Definition
| When multiple organisms seek the same limited resource |
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| A species will divide the resources they use in common by specializing in different ways |
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| Example of Resource Partioning |
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Definition
| One bird species might become more active in the morning and another species at night thus minimizing interference |
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| The process by which individuals of one species hunt, capture, kill and consume individuals of another species |
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| A relationship in which one organism depends on the other for nourishment or some other benefit while simultaneously doing the host harm |
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Definition
| When animals feed on the tissues of plants |
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Definition
| A relationship in which two or more species benefit from interacting with one another |
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Definition
| Physically close association interacting species (whether parasitic or mutualistic) |
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Definition
| Insects, birds, bats and other creatures transfer pollen (containing male sex cells) from flower to flower, fertilizing ovaries (female sex cells) that grow into fruit with seeds |
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Definition
| Rank in the feeding hierarchy |
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Definition
| Organisms that use the suns radiation directly to produce their own food comprise the first trophic level |
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Definition
| Organisms that consume producers are known as primary consumers and comprise the second trophic level |
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| Detritivores & decomposers |
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Definition
| Consume nonliving organic matter and play an essential role role as the community's recyclers , making nutrients from organic matter available for reuse by living members of the community |
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Definition
| The collective mass of living matter in a given place and time |
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Definition
| A visual map of feeding relationships and energy flow that uses arrows to show the many paths by which energy passes among organisms as they consume one another |
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| A species that has a strong or wide-reaching impact far out of proportion to its abundance |
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| A major regional complex of similar communitites |
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Definition
| Can alter a community substantially and are one of the central ecological forces in today's world |
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| The overall character of the community fundamentally changes |
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| Follows a disturbance so severe that no vegetation or soil life remains from the community that occupied the site |
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| When a disturbance dramatically alters an existing community but does not destroy all life or all organic matter in the soil |
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