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a natural process resulting in the evolution of organisms best adapted to the environment
one species succeeding over another when the growth of both species is limited by the same resource
when two or more species sharing a common ancestor become more different over time
process by which unrelated organisms independently evolve similarities when adapting to similar environments
(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other
a species whose impact on its community or ecosystem are much larger and more influential than would be expected from mere abundance
in a community competition for resources between members of different species
symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed
symbiotic relationship in which one organism lives in or on another organism (the host) and consequently harms it
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