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Comunity/Populations

QuestionAnswer
Habitat A place where an organism lives out its life
Niche The role and position a species has in its environment-how it meets its needs for food and shelter, how it survives, and how it reproduces.
Population A group of organisms of one species that interbreed and live in the same place at the same time.
Community A collection of interacting populations
Predators animals that eat and kill other animals
Prey animals that predators eat
Intraspecific Competition occurs between orgs. of the same species
Interspecific Competition occurs between orgs. of different species, caused by niche overlap
Predation when one organism feeds off another (prey)
Symbiosis Any relationship in which two species live closely together
Mutualism both species benefit from the relationship
Commensalism one member of the association benefits and the other is neither helped nor harmed.
Parasitism one organism lives on or inside another organism and harms it
Population Growth an increase in the size of a population over time
Exponential Growth a population gets larger, it also grows faster
Logistic Growth occurs when a population's growth slows or stops following a period of exponential growth.
Created by: marwa
 

 



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