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Ecology

Levels of Ecology and Food Chains

TermDefinition
biotic fators Living parts (organisms) of the environment
abiotic factors nonliving parts of the environment
organism one living thing
population a group of individuals of the same species that live in the same place at the same time
community includes all of the populations of different species that live and interact in an area
ecosystem a community of organisms and their nonliving environment
biosphere includes all of the ecosystems
producer uses energy to make food
consumer an organism that gets it energy by eating other organisms
decomposer an organism that gets energy and nutrients by breaking down the remains of other organisms
herbivore a consumer that eats only plants
carnivore a consumer that eats only other animals
omnivore a consumer that eats both plants and animals
carrying capacity the maximum number of individuals of one species that the environment can support
limiting factor a part of the environment that keep's the population's size below its full potential
competition when two or more individuals or populations try to use the same limited resources
cooperation individuals working together
Sun the source of energy for all living organisms
food chain the path of energy transfer through living organisms
photosynthesis converting water, carbon dioxide and sunlight into sugars and oxygen
Created by: NBE16787