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Chapter 12 Study

TermDefinition
Ecology The study of the interactions between organisms and their environment.
Evolutionary Adaptations The genetic adaptation of a population to its environment through evolution.
Parasitism The type of symbiosis in which one partner, the parasite, derives benefit from the other, the host.
Abiotic A non-living (physical or chemical) component of the environment.
Exponential Growth Unrestricted population growth where the population grows at a faster rate with each successive generation.
Limiting Resources An essential factor whose short supply limits the growth of a population.
Coevolution The process in which one species evolves in response to another.
Mutualism The type of symbiosis in which both partners benefit from the relationship.
Biotic A living component of an environment.
Competition The interaction that results when a resource is in short supply and one organism uses the resource at the expense of another.
Ecological Niche The full range of ecological characteristics of a species, like its feeding habits, specific habitat, and reproductive strategy.
Benthic Organisms that live on the bottom.
Subtidal The bottom above the continental shelf.
Intertidal (littoral) zone The area between the highest and lowest tide.
Abyssal The bottom from a depth of approximately 4,000 m to 6,000 m.
Food Chain The steps of transfer of energy from primary producers through consumers.
Trophic Pyramid The pyramid-like relationship found in the pyramids of biomass, energy, and numbers of organisms in a food chain.
Trophic Level Each of the steps in a food chain.
Biomass The total mass of living organisms.
Food Web All of the interconnecting feeding relationships in a community.
Detritus Particles of dead organic matter.
Net Primary Production The amount of organic carbon left over to fuel the food web after accounting for producer’s energetic needs.
Gross Primary Production The total amount of organic carbon manufactured by primary producers.
Denitrification The conversion of fixed nitrogen back to nitrogen gas.
Created by: limaaara
 

 



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