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simple model that shows how matter and energy pass from one organism to another
food chain
process where producers make energy-rich nutrients molecules from chemicals
chemosynthesis
organisms that use the sun to make energy-rich food molecules
producers
model that shows the amount of energy available at each feeding level
energy pyramid
process plants use to make food from sunlight, water, and carbon dioxide
photosynthesis
model showing many feeding relationships among organisms in a community
food web
close relationship between species
symbiosis
what would happen if there was a reduction in a population?
energy would be reduce for other organisms
what do the arrows in a food web represent?
flow of matter and energy in an ecosystem-what animal eats what
non-living physical features of the environment
abiotic
type of symbiosis in which both organisms benefit
mutualism
type of symbiosis in which one organism benefits and the other is not affected
commensalism
type of symbiosis in which one organism benefits and the other is harmed
parasitism
organism that captures and eats other consumers
predator
organism that is captured and eaten
prey
during chemosynthesis, bacteria use _______________ to produce their own food
chemicals
