
Unit 5B: Ecology: Interactions Among Living Things
Quiz by Tina McCollum
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the struggle between organisms to survive as they attempt to use the same limited resources
interaction in which one organism kills another for food or nutrients
any relationship in which two species live closely together and at least one benefits
a relationship in which both species benefit :) :)
a relationship in which one species benefits and the other is neither helped or harmed :) :I
a relationship in which one organism lives with, on, or inside another organism and harms it
:) :(
an organism that benefits by harming another organism
an organism on which a parasite lives
environmental factor that limits the growth and size of a population
species that have naturally evolved
species that enter new ecosystems and multiply, harming native species and their habitats
the removal of trees faster than forests can replace themselves
the growth of cities