20 terms

bio terms and vocab 2

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decomposer /detritivore
an organism, usually bacteria of fungus, the breaks down the cells of dead planys and animals into simpler substances
ecology
the study of the interactions of living organisms with one another and with their environment
ecosystem
a community of organisms and their abiotic environment
food chain
a series of organisms that are interrelated in their feeding habits
food web
a series of organisms related by predatorprey interactions. the entire food chain within a community
habitat
natural environment of an organism
herbivore
plant eating organism
heterotroph
an organism that gets its nutrients from complex organic substances
interspecific interactions
community interaction in which two different species living together interact
carnivores
meat eating organism
10% rule
only 10% of energy is transferred to any level on the food chain
autotroph
an organism that produces its own nutrients from inorganic substances or from the environment instead of eating other organisms
biomass
the amount of living atter in a habital
biome
biotic community characterized by distinctive plants and animals and maintained under the climatic conditions of the region
biosphere
the ecosystem that comprises the entire earth and all living organism that inhabit it
carnivore
meat eating organism
commensalism
a type of relationship in plants, in which one lives with, on orin another without damage to either
community
a group of various species that live in the same habitat and interact with each other
competition
rivalry between organism
competitive exclusion principle
two species compete for the same resources within an environment
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