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Eco Evo Exam3(c.16)

Definitions

TermDefinition
Intraspecific competition Competition among individuals of the same species.
Interspecific competition Competition among individuals of different species.
Resource Anything an organism consumes or uses that causes an increase in the growth rate of a population when it becomes more available.
Renewable resources Resources that are constantly regenerated.
Nonrenewable resources Resources that are not regenerated.
Liebig's law of the minimum Law stating that a population increases until the supply of the most limiting resource prevents it from increasing further.
Competitive exclusion prenciple The principle that two species cannot coexist indefinitely when they are both limited by the same resource.
Competitive coefficients Variables that convert between the number of individuals of one species and the number of individuals of the other species.
Zero population growth isocline Population sizes at which a population experiences zero growth.
Exploitative competition Competition in which individuals consume and drive down the abundance of a resource to a point that other individuals cannot persist.
Interference competition When competitors do not immediately consume resources but defend them.
Allelopathy A type of interference that occurs when organisms use chemicals to harm their competitors.
Apparent competition When two species have a negative effect on each other through an enemy--including a predator, parasite, or herbivore.
Chi-square test A statistical test that determines whether the number of observed events in different categories differs from an expected number of events, which is based on a particular hypothesis.
Created by: BriawnaW