Term
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Definition
| when two species need the same limited resources (food, water, space, and shelter) and have a contest to get them |
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Term
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Definition
| when two species have a need to use the same resource |
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Term
| Consumptive competition example |
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Definition
| If there were 6 students in the room, and there were only three chairs, students would do what they could to get a chair. Some will not get a chair. |
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Term
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Definition
| when one species uses all the space so other species can’t use it at all. |
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Term
| Preemptive competition example |
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Definition
| If a bear lived in the cave, other animals could not live in that space. |
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Term
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Definition
| When one species grows bigger than another and takes its space (mostly in plants) |
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Term
| Overgrowth competition example |
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Definition
| If two plants are trying to live in the same area and one plant starts to grow so big that it blocks the sun and water from the other plant, so it dies. |
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Term
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Definition
| When one species makes toxins that negatively affect another species |
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Term
| Chemical competition example |
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Definition
| If a skunk used its bad smell to keep other animals from their resources |
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Term
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Definition
| When a species that can move protects its territory(claimed place) to feed or mate against other species |
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Term
| Territorial completion example |
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Definition
| when a male deer rubs his antlers on tree bark to mark his territory, that means other male deer who come into it have to fight the first male deer to use any of those resources |
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Term
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Definition
| When two species physically fight for a needed resource. |
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Term
| Encounter competition example |
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Definition
| When a lion and a hyena fight over a scrap of meat |
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