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11 Cards in this Set
- Front
- Back
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heterotrophs / consumers
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feed off of autotrophs - eat for energy, dont make their own energy
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autotrophs / producers
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make their own energy
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niche
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role an organism has
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food chain
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producers --> primary consumers --> secondary consumers
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food web
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complex way of showing energy flow
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food pyramid
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set up like pyramid -- as you move higher up the pyramid, animals lose 90% energy units each time
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primary succession
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succession beginning in areas with no life and organisms that originally survive in such areas must be strong pioneer species
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climax community
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final, stable community. the dominant species are the largest plants. the climax community remains undisturbed unless humans or nature change it
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secondary succession
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dominant species are removed by either natural or human causes - this occurs faster because some life already exists
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abiotic factors
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non living arts of the environment that are necessary for life - only limited amounts therefore it limits size of population
ex: water, soil, light, temperature, balance |
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biotic factors
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living things (?)
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