Section 1

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apparent competition 2

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Last updated

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Date created

Mar 14, 2020

Cards (20)

Section 1

(20 cards)

apparent competition 2

Front

-apparent competition could be generated if one species facilities the enemy of another species

Back

interspecific competition

Front

-competition among individuals of different species -interspecific competition can cause the population of one species to decline and eventually die out

Back

abiotic conditions

Front

-the ability to compete well may be overwhelmed by the ability to persist in harsh abiotic conditions

Back

predation and herbivory 1

Front

-there are often trade-offs between competitive ability and resistance to predators or herbivores -the most competitive organisms are often the most susceptible to predation or herbivory -predators can reverse the outcomes of competiton

Back

competition: related species

Front

-darwin suggested that competition is most intense between related species because they have similar traits and consume similar resources -for related species that compete strongly, natural selection should favor differences in habitat use

Back

exploitative competiton

Front

-competition in which individuals consume and drive down the abundance or a resource to a point that other individuals can persist -is considered indirect competition because it occurs through a shared resource

Back

renweable resource

Front

-resources that are consistently regenerated -ex) seeds, sunlight renewable resources can originate from inside or outside the ecosystem in which competitors live -ex)dead leaves fall into streams from the surrounding forest

Back

alleopathy

Front

-a type of interference competition that occurs when organisms use chemicals to harm their competitors -can be an effective strategy for invasive plants

Back

apparent competiton

Front

-when 2 species have a negative effect on each other through an enemy-- including a predator, parasite, or herbivore

Back

competition: non-related species

Front

-competition can also be intense among distantly related species that consume a common resource

Back

intraspecific competition

Front

-competition among individuals of the same species -negative density dependence is a common type of intraspecific competition; where an increase in a population's density causes a decline in the growth rate of the population

Back

interference competiton

Front

-when competitors do not immediately consume resources but defend them -considered direct competiton

Back

leibig's law of the minimum

Front

-law stating that a population increases until the supply of the most limiting resource prevents it from increasing further -when 2 species compete for a single limiting resource, the species that persists is the one that can drive down the abundance of that resource to the lowest level

Back

aggressive interactions

Front

-an effective from of interference competition

Back

competitive exclusion principle

Front

-two species cannot coexist indefinitely when they are both limited by the same resource -when two species are limited by the same resource, one species is often a better competitor survives better when resources are scarce

Back

apparent competition 1

Front

-2 species can share a resource and have negative effects on each other through an enemy, such as predator, parasite, or herbivore

Back

predation and herbivory 2

Front

-herbivores can also alter the outcome of competition

Back

resource

Front

-anything an organism consumes or uses that causes an increase in population growth rate when it becomes more available -ecological factors that cannot be consumed like temp are NOT considered resources

Back

nonrenewable resource

Front

-resources that are not regenerated -ex) space -in contrast, competitors can affect the supply of resources and demand for resources that originate within the ecosystem

Back

disturbances

Front

-competitive interactions can also be altered by disturbances

Back