how do different species interact with each other?
TRANSCRIPT
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How Do Different Species Interact with Each Other?
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An Organism’s Niche• Niche – unique role of a species within an
ecosystem.– Includes the species’ home, environmental
factors necessary for survival, & species interactions with other species.
– Ex: A bison’s niche is being the largest grazing herbivores on American grasslands.
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Niche vs. Habitat
• The habitat is the location where the species lives while the niche
the species’ interactions in & with the habitat.
Habitat Niche
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Interaction Description Example Species A
Species B
Interactions Between Two Species
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Interaction Description Example Species A
Species B
Competition Different organisms
attempt to use the same limited
resource
Fox & coyote both eat rabbits
Interactions Between Two Species
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Interaction Description Example Species A
Species B
Competition Different species attempt to use the same
limited resource
Fox & coyote both eat rabbits
Predation One species feeds on
another species (or organism)
Fox hunts & eats rabbits
Interactions Between Two Species
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Predation
1)What happens to the lynx population when the snowshoe hare population increases?
2)What happens to the snowshoe hare population when the lynx population declines?
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Interaction Description Example Species A
Species B
Competition Different species attempt to use the
same limited resource
Fox & coyote both eat rabbits
Predation One species feeds on another species (or
organism)
Fox hunts & eats rabbits
Parasitism One species lives in or on
another species & feeds on it
Tick sucks blood of a
deer
Interactions Between Two Species
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Parasitism
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Interaction Description Example Species A
Species B
Competition Different species attempt to use the same limited resource
Fox & coyote both eat rabbits
Predation One species feeds on another species (or organism)
Fox hunts & eats rabbits
Parasitism One species lives in or on another species & feeds on it
Tick sucks blood of a deer
Mutualism Different species help each other to
survive
Bee drinking nectar from
flowers, pollinating the plant
Interactions Between Two Species
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Mutualism
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Interaction Description Example Species A
Species B
Competition Different species attempt to use the same limited
resource
Fox & coyote both eat rabbits
Predation One species feeds on another species (or
organism)
Fox hunts & eats rabbits
Parasitism One species lives in or on another species &
feeds on it
Tick sucks blood of a deer
Mutualism Different species help each other to survive
Bee drinking nectar from flowers,
pollinating the plant
Commensalism One species benefits & the other is not harmed
Birds nesting in
trees
Interactions Between Two Species
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Commensalism
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Symbiosis• Symbiosis is the living together of unlike
organisms where at least one organism benefits.– Ex: Mutualism, Commensalism, & Parasitism