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Ecology Vocab

Vocab for Ecology Unit

TermDefinition
Food Chain Simplified model that shows a single path of energy flow through an ecosystem.
Predation One organism eating another organism.
Autotroph An organism that makes its own food; foundation of food chains.
Herbivore Organism that eats producers.
Community Group of interacting populations that live in the same geographic region.
Mutualism Symbiotic relationship where both organisms gain.
Migration Seasonal movement of an organism.
Carrying Capacity Largest number of individuals in a species that the environment can support long-term.
Habitat Physical area an organism lives in.
Abiotic Nonliving environmental factors (soil, water, temp., humidity).
Biosphere Layer of earth and its atmosphere where life exists.
Heterotroph Organism that eats other organisms for energy.
Biomass Total mass of living matter at each trophic level.
Biome Large group of ecosystems that share the same climate and have similar communities.
Food Web Model that shows the interconnectedness of food chains through an ecosystem.
Carnivore Organism that eats mainly other animals.
Population Group of organisms of the same species that occupy the same geographic place at the same time.
Ecosystem Biological community and the abiotic factors that affect it.
Ecology The study of organisms and their interactions with their environment.
Niche Role or position of an organism in its environment.
Trophic Level Each step in a food chain or food web.
Biotic Factors Living factors in the environment.
Detritivore An organism that decomposes organic material returning the nutrients for the producers.
Omnivore Organism that eats both producers and consumers.
Created by: krobrien
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