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10 Cards in this Set
- Front
- Back
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Biotic factors
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Living portions of the environment
Predation, parasitism, competition, etc. |
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abiotic factors
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Nonliving factors
Rain, soil type, temperature, etc. |
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how abiotic and biotic factors effect niche
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The biotic and abiotic factors of any particular place determine where they do live
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5 main types of species interactions
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1. Predation
2. Competition 3. Parasitism 4. Commensalism 5. Mutualism |
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predation
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positive for consumer, negative for prey
(+/-) |
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competition
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organisms compete for the same limited resource
(-/-) |
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parasitism
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1 organism (parasite) living in or on another organism (host), from which it derives nourishment
(+/-) |
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Commensalism
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One organism benefits, while the other is unaffected.
(+/0) |
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mutualism
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Both species benefit (+/+)
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how have people changed interactions
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Introduced species
Habitat destruction or alteration Hunting / exploitation |
