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Competition

memorize.ai (lvl 286)

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Section 1

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competition

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Competition Prep

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (16)

Section 1

(16 cards)

competition

Front

(-,-)

Back

Gause Competitive Exclusion Principle

Front

no two species can occupy the same ecological niche simultaneously

Back

if alpha greater than 1

Front

species 2 has greater competitive effect on spec 1 than spec 1 has on itself / interspecific less than intraspecific

Back

spec 1 extinct = b _ 1 a _ 1

Front

b less than 1 a greater than 1

Back

possible outcomes of lots-volerra equation

Front

species coexist, one goes extinct

Back

Mutualism

Front

(+,+) Both organism benefit

Back

predation

Front

(+,-)

Back

Comensalism

Front

(+,0)Relationship where one organisms benefits, the other isn't effected

Back

parasitic wasps and competitive niche

Front

introduced to control orange tree plant, wasp from India displaced wasp from s china from interior but not coast due to differing environments

Back

alpha expresses spec 2 in relation to

Front

spec 1

Back

is alpha less than 1

Front

spec 2 has less competitive effect on spec 1 than spec 1 has on itself / interspecific greater than intraspecific

Back

Amesalism

Front

(-,0)

Back

competitive exclusion will not occur with

Front

unstable environments environment where species don't compete fluctuating environment that reverse direction of competition before extinction occurs

Back

Gause did what to prove the model?

Front

grew pop of yeast, one when extinct, other soared

Back

fundamental niche vs realized niche

Front

Fundamental= all possible niches with no limiting factors Realized= With competitor present...actual niche

Back

spec 2 extinct = b _ 1 a _ 1

Front

b greater than 1 a less than 1

Back