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Notes – Community Interactions
France—On a bright summer morning a captive-bred male harvest mouse perches acrobatically in an Alsace wheat field. This species—the smallest European rodent—boasts a prehensile tail and builds a round nest that resembles a bird's
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Competition Individuals within a species try to use a resource in the same space at the same time Each of these warbler species has a different niche in its spruce tree habitat. By feeding in different areas of the tree, the birds avoid competing with one another for food.
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Competition Individuals within a species try to use a resource in the same space at the same time “Zebras migrate with well over a million wildebeests and gazelles. A taste for different plant parts keeps the grazing competition down.” -NatGeo sept
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Competition Individuals within a species try to use a resource in the same space at the same time Competition between different species rarely happens in nature as it usually results in a winner and a loser who doesn’t survive “Zebras migrate with well over a million wildebeests and gazelles. A taste for different plant parts keeps the grazing competition down.” -NatGeo sept
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Predation Predator = species that eats another species
Prey = species that is eaten by a predator
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Mutualism Two species interact in a way that helps the survival of both of them. Aphids secrete a sugary snack for ants that protect them.
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Mutualism Two species interact in a way that helps the survival of both of them. Example: Pollinators are insects or other animals that spread pollen from one plant to another while obtaining a sugar-rich nectar from the flowers.
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Mutualism Example: Pollinators are insects or other animals that spread pollen from one plant to another while obtaining a sugar-rich nectar from the flowers.
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Mutualism
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Mutualism Two species interact in a way that helps the survival of both of them.
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Mutualism Two species interact in a way that helps the survival of both of them.
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Parasitism An organism lives in or on another organism that it harms. The parasite feeds on its host.
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Commensalism One species benefits by interacting with another species that is unaffected by the interaction. Egret and Water Buffalo
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