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Ecosystems

TermDefinition
Organism Living things.
Habitat An environment that provides the things a specific organism needs to live, grow and reproduce
Biotic factor Parts of a habitat that are or were once alive and that interact with an organism
Abiotic factor Nonliving parts of an organisms habitat
Species Group of organisms that can mate with each other and produce offsprings that can also mate and reproduce
Population Members of one species living in a particular area
Community All different populations that live together in a area
Ecosystem the community of organisms that lives in a particular area along with the nonliving environment make a ecosystem
Ecology The study of how organisms interact with each other and with their environment
Producer Organism that can make its own food
Consumer Feeds on other organisms
Decomposers Break down biotic waste and organism, returning the materials to the ecosystem
Population density measures the average number of people per unit of land area
Limiting factor any resource or environmental condition that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem
Carrying capacity the maximum population size of a species that a specific environment can sustainably support over the long term without degrading the habitat
Food web Consist of many overlapping food chains in an ecosystem
Food chain Series of events in which one organism eats another and obtains energy and nutrients
Energy pyramid Shows the amount of energy that moves from one feeding level to another in a food web
Photosynthesis The set of chemical reactions plants use to turn light, water , and nutrients into oxygen and energy in form of sugars
Chlorophyll Absorbs light much like cells in solar panels do
Autotroph Organism that makes its own food
Heterotroph Has to get its food from a source can’t make on its own
Created by: user-1979405
 

 



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