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Ch. 19 Competition Outline

Ch. 19 Competition Outline - Ch 19 Competition Definitions...

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Ch. 19 Competition Definitions Competition – any use or defense of a resource by one individual that reduces the availability of that resource to other individuals. Resource – any substance or factor that is consumed by an organism that supports increased population growth rates as its availability in the environment increases. -A consumer uses resource for maintenance and growth When resource is reduced, biological process. Two types of resources: Nonrenewable Resources that are not regenerated-ex. Space for habitats Renewable Resources that are constantly regenerated. Three types 1.Resources with a source external to the system o Consumers have no influence on the resource o Water and sunlight o 2. Resources generated within the ecosystem o Consumer has direct effect on abundance of resources o 3. Resources generated within the ecosystem. o Consumer indirectly affects the resource o Nitrogen cycle.
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Liebig’s Law of the minimum
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