60. The total biomass of photosynthetic autotrophs present in an ecosystem is known as the
(A) gross primary production
(B) trophic efficiency.
(C) secondary production
(D) standing crop.
(E) net primary production.
詳解 (共 2 筆)
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The correct answer ...
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生態系統中存在的光合作用自養生物的總生物...
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