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The second law of thermodynamics is valid only in a closed system,such as a living organism.
Q5: Why is the Arctic fox declining in
Q5: The dominant vegetation types in temperate shrublands
Q7: Which of the following represents a loss
Q26: Organisms living on the sediment surface of
Q34: Some plants are able to attract beneficial
Q37: Succession occurs in both aquatic and terrestrial
Q40: Without the cycling of water,biogeochemical cycles would
Q43: Humans are responsible for more than 75
Q57: Which of the following has the highest
Q57: The biogeochemical cycles of one ecosystem are