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Biology, 24.12.2019 06:31 avonsluv8809

Which statement best describes an individual ecosystem?
a. an closed system with regard to energy, but an open system with respect to matter.
b. an open system with regard to energy, but an open system with respect to matter.
c. a closed system with regard to both energy and matter
d. a open system with regard to both energy and matter.

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