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Ecology
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Biotic
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Abiotic
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bio
Disturbance
an event that removes biomass
Biomass
the total mass of living organisms in a specific area
Habitat Fragmentation
the conversion of large, contiguous areas of native plant and animal communities to small fragments separated by tracts of human development
Food Web
a diagram showing the trophic relationships among species in a community
Trophic Cascade
a change in a food web — usually caused by a change in an important predator — that causes changed in the abundance of other species in the web
Keystone Species
a species that has a disproportionately large impact on a community relative to its numbers