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18 Cards in this Set
- Front
- Back
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biosphere |
relatively thin layer of earth that supports life |
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biotic factors |
living organisms |
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abiotic factors |
non-living organisms |
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population |
group of organisms in the same area |
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biological community |
interacting populations in the same area |
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ecosystem |
biological community and all nonliving organisms that affect it |
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biome |
large group if ecosystems with the same climate and similar communities |
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habitat |
where organisms live |
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niche |
role of an organism in its environment |
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preditation |
when one organism feeds on another |
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symbiosis |
commensal association between two or more species that live together |
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mutualism |
when both organisms benefit |
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commenalism |
one organism benefits but the other its helped or harmed |
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parasitism |
one organism benefits and the other is harmed |
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biodiversity |
number of species living in an ecosystem |
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autotroph |
makes its own food |
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heterotroph |
consumes animals for food |
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biomass |
dry weight of tissue and other organic matter found in a specific ecosystem |
