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Competition The struggle between organisms to survive as they attempt to use the same limited resource.
predation An interaction in which one organism kills another for food.
symbiosis A close relationship two organisms of different species that benefitsat least one of the organisms.
Mutualism A close relationship between organisms of two species in which both organisms benefit.
Commenaliam A relationship between two species in which one species benefits and the other is neither helped or harmed.
Parasitism A relationship in which one organism lives in or on a host and harms it.
Primary Succession The series of changes that occur in an area where no soil or organisms exist.
producer An organism that can make its own food.
Consumer An organism that obtains energy by feeding on other organisms.
Adaptation A behavior or physical characteristic that allows an organism to survive or reproduce in its environment.
Pioneer species The first species to populate an area.
Immigration Moving into a population.
Emigration Leaving a population.
Secondary something that was caused by a organism.
Created by: ashanti.