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Ecosystems Voc (HHE)

ecosystems

TermDefinition
biotic factor Any living or once-living organism in the environment.
biome A large region of land with a distinct climate and certain types of plant and animal life.
commensalism Relationship between species in which one species is helped and the other is unaffected.
abiotic factor Any non-living part of the environment, such as water, sunlight, temperature or air.
population All of the individuals of one species that live in the same space at the same time.
population density Number of individuals in a population that occupies an area of limited size.
mutualism Relationship between two species in which both species benefit.
ecosystem All of the communities in a given area and the abiotic factors that affect them.
community All of the populations of different species in a given area that interact in some way and depend on one another for food, shelter, and other needs.
limiting factor Any biotic or abiotic factor that limits the number of individuals in a population
parasitism Relationship between species in which one species benefits and the other is harmed but not usually
organism A living thing.
biosphere Part of Earth that supports life – the top part of Earth’s crust, all the waters covering Earth’s surface, and the surrounding atmosphere; includes all biomes, ecosystems, communities, and populations.
symbiosis A close relationship between two organisms.
species A group of organisms that can mate and produce offspring that in turn can produce more offspring
habitat An environment that provides the things an organism needs to live, grow, and reproduce
carrying capacity The maximum number of organisms of a particular species that can be supported in a given environment
ecology The study of interactions among organisms and their environment
Created by: hursthills