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Ecology

Chapter 1 Vocab

QuestionAnswer
biosphere the part of earth that supports life
ecosystem consists of all the organisms living in an area and the abiotic factors
ecology the study of interactions that occur among organisms and their enviorments
population made up of all organisms of the same species that live in an area at the same time
community all the populations of all species living in an ecosystem
habitat the place in which an organism lives
limmiting factor any living or nonliving feature that restricts the number of individuals in a population
carrying capacity the largest number of idividuals of one species that an ecosystem can support
competion two or more organisms seek the same resources at the same time
population denstity the size of a population that occupies a specific area
biotic potential highest rate or reproduction under ideal conditions
exponential growth the larger a population becomes the faster it grows
producers organisms that use an outside energy sources to make energy rich molecules
consumers organisms that cannot make their own energy rich molecules and get it by eating other organisms
food chain a model that shows the feeding relationships among the organisms in an ecosystem
symbiosis any close relationship between species
mutalism a symbiotic relationship in which both species benefit
commensalism a symbiotic relationship in which one organism benefits and one is not affected
parasitism a symbiotic relatioinship in which one species benefits the one is harmed
niche an organisms role in the envirorment, including its habitat and food, and how it avoids danger, finds a mate, and cares for its young
predator consumer that captures and eats other consumers
prey the organism that is captured by the predator
Created by: eclibby.clm on 2009-01-22



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