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Ecology for EnvSci9

Vocabulary Review

TermDefinition
organism one, individual living thing
population all of one species living in an area
community all the living things in an area
ecosystem all the biotic and abiotic things in an area with a unique climate
biosphere Earth; the sum of all ecosystems on the planet
biotic living, or once living
abiotic non-living, or never living
producer an organism that makes its own food through photosynthesis. A plant
consumer an organism that must eat to survive. It cannot photosynthesize its own food.
autotroph an organism that makes its own food through photosynthesis: a plant
herbivore an organism that eats plants only, e.g. cows, horses
carnivore an organism that eats meat only, e.g. cats, dogs, wolves
omnivore an organism that eats both plants and meat, e.g. humans, bears
detrivore an organism that feeds off dead organisms and helps to break materials down, e.g. bacteria, worms
food chain the flow of energy from the sun--> plants--> consumers-->apex predator
Created by: llamach