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35 Cards in this Set
- Front
- Back
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denitrification |
process of converting nitrates into nitrogen gas |
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food chain |
a one-way feeding pattern |
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community |
collection of different species that live in a specific area. |
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nitrification |
process of converting nitrogen gas into ammonia. |
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carnivore |
animals that eat only other animals |
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herbivore |
animals that eat only producers |
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niche |
a species unique lifestyle |
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10% Rule |
states a specific amount of energy passed from one feeding level to the next |
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precipitation |
water returning to ground through rain/snow/hail |
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ecosystem |
a defined area, and the living/nonliving factors within |
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trophic structure |
shows the energy and feeding relationships between producers/consumers/decomposers |
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biotic |
living conditions |
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predator-prey cycle |
shows relationship between numbers of predator and number of its prey |
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nitrates |
substance in the soil that plants use to make amino acids to build its structures |
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habitat |
a species living space |
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food web |
feeding pattern that shows relationships between producers, consumers, and decomposers |
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ammonia |
product of protein synthesis that is toxic |
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producer |
organism that makes food for other organisms |
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exponential growth |
when a population grows very quickly, exceeds what it can support, then drops |
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logistic growth |
when population grows quickly and reaches a stable maximum |
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population |
group of individuals made of the same species that live in a specific area |
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heterotrophs |
organisms that depend on others for food |
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abiotic |
non-living conditions |
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biodiversity |
having a variety in the different number of species |
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nitrogen fixation |
process of converting ammonia to nitrates |
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fossil fuels |
source of energy made from preserved organisms |
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autotroph |
organism that can make its own food |
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evaporation |
water loss to the atmosphere from bodies of water |
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condensation |
water droplets that collect in the atmosphere |
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biosphere |
the living globe; is a closed system |
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primary succession |
establishment of a community in an area of bare rock or bare sand, where no top soil is present |
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secondary succession |
orderly change that occurs in a place where soil remains after a community of organisms has been removed |
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mutualism |
both animals benefit |
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commensalism |
one animal benefits, one animal is unaffected |
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parasitism |
one animal is helped, one is harmed |
