ECOLOGY

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Terms in this set (...)

environment
a type of favorable place where living things or groups of living things usually live
biotic
living organisms or organisms that have been alive at some point
abiotic
nonliving organisms/organisms that have never lived
species
a separate group of animals with shared characteristics and can breed with each other to produce fertile offspring
food chain
the arrangement of organisms in an ecosystem, each species is the food of the next member of the chain. For example,
algae--snail--crayfish--fish--alligator
food web
the overlapping of food chains in an ecosystem
organism
a form of life, like an animal, plant, fungi, insects etc.
ecosystem
a group of interconnected elements involving the interaction of organisms in their environment
consumer
an organism that feeds on other organisms
decomposers
an organism that breaks down the cells of dead plants and animals into simple substances
habitat
the natural environment of an organism that helps the organism grow & live
producer
an organism, like a plant, that is able to produce it's own food from abiotic substances
photosynthesis
...
Symbiosis
A close relationship between two species that benefits at least one of the species.
Mutualism
A relationship between two species in which both species benefit
Parasitism
A relationship in which one organism lives on or in a host and harms it.
Commensalism
A relationship between two organisms in which one organism benefits and the other is unaffected

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