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7th topic 9 Lesson 3
Term | Definition |
---|---|
niche | how an organism makes its living and interacts with the biotic and abiotic factors in its habitat |
competition | the struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time |
predation | an interaction in which one organism kills another for food or nutrients |
symbiosis | any relationship in which two species live closely together and that benefits at least one of the species |
Commensalism | a type of symbiosis between two species in which one species benefits and the other species is neither helped nor harmed |
Mutualism | a type of symbiosis in which both species benefits from living together |
Parasitism | a type of symbiosis in which one organism lives with, on, or in a host and harms it |
interactions | the different ways that living things communicate with, act toward, and influence each other |