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Competition

memorize.ai (lvl 286)

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Section 1

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Competitive exclusion principle

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Competition Prep

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (17)

Section 1

(17 cards)

Competitive exclusion principle

Front

two species competing for the same resources cannot coexist

Back

Plant defenses

Front

-chemical (poisoness or spicy) -mechanical (structures like thorns/spikes) -nutritional (have less N and P) -tolerance (adaptations to regrow quickly after being grazed)

Back

Allelochemicals

Front

-substances produced by plants that prevent or limit damage by herbivores -form of interference competition

Back

Batesian mimicry

Front

a palatable species can evolve to more closely resemble a aposematic species

Back

Competition

Front

any use of defense of a resource by one individual that reduces the availability of that resource to other individuals

Back

Species interactions (6)

Front

Competition (-,-) Predation (+,-) Herbivory (+,-) Parasitism (+,-) Mutualism (+,+) Commensalism (+, 0)

Back

Interference competition

Front

1 population disrupts the ability of the other to exploit the resources

Back

Resource

Front

any substance or factor that is consumed by an organism and that supports increased population growth as its availability in the environment increases renewable & nonrenewable

Back

Apparent competition

Front

when two species have a negative effect on eachother through an enemy

Back

Intraspecific competition

Front

reduces resources to a density-dependent manner within the same species

Back

Lotka-Volterra Model

Front

Species affect each other in different

Back

Competitive release

Front

the expansion of the range of a species when a competitor for its niche is removed

Back

Exploitative (resource) competition (4 types)

Front

population depresses each other by using up shared resources 1. predation 2. parasitism 3. parasitoidism 4. herbivory

Back

Resource partitioning (partial niche overlap)

Front

reduces competition to a level that allows coexistence **amount of niche overlap determines how strongly the two species might compete with each other

Back

Interspecific competition

Front

depresses populations of both competitors between different species

Back

Mullerian mimicry

Front

occurs when several unpalatable species evolve a similar pattern warning coloration

Back

Animal Defenses

Front

-chemical -physical (barriers like a shell) -aposematism (warning colors, sounds) -mimicry (mimics a species a predator would avoid) -crypsis (camouflage) -behavioral (behaving to minimize predation)

Back