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15 Cards in this Set

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symbiosis
a close relationship between two species that benefits at least one of the species
niche
an organism's particular role in an ecosystem, or how it makes its living
adaptations
the behaviors and physical characteristics that allow organism to live successfully in their environment
ecology
the study of how living things interact with each other and with their environment
habitat
the place where an organism lives and that provides the things the organism needs
commensalism
A relationship between two species in which one specie benefits and the other is neither helped nor harmed
Predation
an interaction in which one organism kills and eats another
predator
the organism that does the killing
mutualism
a relationship in which both species benefit
ecosystem
all the living and nonliving things that interact in an area
competition
the struggle between organisms to survive in a habitat with limited resources
prey
an organism that is killed in predation
competition
the struggle between organisms to survive in a habitat with limited resources
parasitism
a relationship in which one organism lives on or inside another and harms it
host
the organism that a parasite lives in or on in parasitism