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17 Cards in this Set

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study of the interactions that take place among organisms and between organisms and the physical features of the enviroment
ecology
largest number of individuals an enviroment can support and maintain over a long period of time
carrying capacity
both organisms benefit
mutualism
part of the earth that supports organisms and is made up of all the earths ecosystem
biosphere
living things that kill and eat other living things
predator
living or once livng organisms in the enviroment
biotic factors
organisms eaten by the predator
prey
groups of populations that interact with each other ina given area and depend on each other for food, sheltr, and for other needs
community
model used to describe a series of overlapping food cains
food web
one organism benefits another is not harmed
commesalism
any biotic or abiotic factor that restricts the number of individuals in a population
limiting factor
any close relationship between two or more different species
symbiosis
consists of a biotic communiy and the abiotic factors that affect it
ecosytem
one organisms benefits another is harmed
parasitism
organisms that obtain energy whe they feedon producers or other consumers
consumer
model that describes the feeding relationships in a community show how energy in the form of food passes from organism to another
food chain
organisms that capture energy from the sun
producer