physical, or non-living, factor that shapes an ecosystem

organism that can produce its own food by turning the sun’s energy into organic compounds; also called a producer

process in which elements, chemical compounds and other forms of matter are passed from one organism to another and from one part of the biosphere to another

living factor that shapes organisms within an ecosystem

organism that obtains energy by eating animals (meat)

a symbiotic relationship in which one member of the association benefits while the other is neither helped nor harmed

an organism that relies on other organisms for its energy and food supply

organism that breaks down and obtains energy from dead organic matter

organism that feeds on plant and animal remains and other dead matter

gradual change in living communities that follows a disturbance

series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.

network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

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Week 5 Ch 3 Vocab.

Basic Ecology

Question	Answer
abiotic factor	physical, or non-living, factor that shapes an ecosystem
autotroph	organism that can produce its own food by turning the sun’s energy into organic compounds; also called a producer
biogeochemical cycle	process in which elements, chemical compounds and other forms of matter are passed from one organism to another and from one part of the biosphere to another
biotic factor	living factor that shapes organisms within an ecosystem
carnivore	organism that obtains energy by eating animals (meat)
commensalism	a symbiotic relationship in which one member of the association benefits while the other is neither helped nor harmed
consumer	an organism that relies on other organisms for its energy and food supply
decomposer	organism that breaks down and obtains energy from dead organic matter
detritivore	organism that feeds on plant and animal remains and other dead matter
succession	gradual change in living communities that follows a disturbance
food chain	series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.
food web	network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

Created by: ARhymer

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