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Section 3 flashcards


natural selection Makes an individual better suited to it's enviorment that may eventually become common in that species through a process
adaptions the behavior and physical characteristic that allow organisms to live in their environment
niche The role a organism has in it's environment to life
competition the struggle between organisms to survive as they attempt to use the same limited resource
predator the organism that does the killing in a predation interaction
predation an interaction in which one organism kills another for food
prey an organism that is killed and eaten by another organism
symbiosis A close relationship between two species that benefits at least one of the species
mutualism species that benefit both of the species
commensalism a relationship between two species in one species benefits and the other is neither helped nor harmed
host the organism that a parasite lives in or on in a parasitism interaction
parasite the organism that benefits by living on or in a host in a parasitism interaction
parasitism a relationship in which one organism lives on or in a host and harms it
Created by: jec1998