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Ecosystem Vocabulary

TermDefinition
ecosystem all the interactions of a group of organisms with each other and their environment
habitat place where an organism lives and gets what it needs to survive
symbiosis close relationship between two species that benefits at least one of the species
limiting factor an environmental factor that tends to limit the population size
abiotic factors non-living factors in an ecosystem
biotic factors living organisms in an ecosystem
mutualism relationship between 2 species in which both species benefit
organism living that that has the ability to act independently
competition struggle between organisms to survive; fight for food, water, space, etc.
predation interaction in which one organism kills another for food
host organism that a parasite lives in or on
decomposer breaks down wastes and dead organisms Examples : bacteria and fungi
producer an organism that can make its own food
carnivore consumers that eat only animals Examples : cougar, wolf, .....l
parasite organism that lives on or in a host in a parasitic relationship
consumer organism that gets its energy by feeding or eating other organisms
omnivore consumers that eat both plants and animals Examples : fox, bears, and humans
scavenger special carnivore that feeds on the dead bodies of organisms - example : hyenas and vultures
parasititism relationship in which one organism lives on or in a host and harms it
herbivore consumers that eat only plants Examples : moose, cows, elk, deer, rabbit....
Created by: lamartinlee