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The flashcards below were created by user
Anonymous
on FreezingBlue Flashcards.
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What is competition?
(-/-) Use or defense of a resource by an individual which decreases the resource availability to others
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What are two conditions for competition?
Anything that is consumed by an organism or that supports the increase of population growth rates
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What is the competitive exclusion principle?
It states that two competing species cannot coexist forever on the same limiting resource
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What can competition be affected by?
Predators
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What is the () of predation and herbivory?
(+/-)
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What happened to the diversity of prey when the sea star was removed?
It decreased because the star was eating the high competitors. The barnacles and mussels strived
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Mimicry is an antipredator defense. How does it work?
One species looks like another that possesses an antipredator defense
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What is batesian mimicry?
The mimic lacks defense of the organism it resembles
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What is mullerian mimicry-
The mimic has the same protective defense with other species it mimics
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What is the () for disease?
(+/-)
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What is the () for mutualism?
(+/+)
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What is the () for commensalism?
(+/0)
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What is the () for amensalism?
(-/0)
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How can coevolution be seen in phylogenies?
They can have matching branching patterns
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What is the annual rate of rainforest loss globally?
Size of florida
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What are some causes of extinction?
Habitat destruction, introduced species, Over exploitation, disruption of key specifics
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At what rate is do species go extinct?
27,000 a year, 74 a day, 3 an hour. At that rate, 30% will be gone by 2100
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