問題詳情
7. Matter is gained or lost in ecosystems. How does this occur?
(A) Heterotrophs convert heat to energy.
(B) Photosynthetic organisms convert solar energy to sugars.
(C) Chemoautotrophic organisms can convert matter to energy.
(D) Matter can be moved from one ecosystem to another.
(E) Detrivores convert matter to energy.
參考答案
答案：D
難度：困難0.294118
統計：A(2),B(4),C(3),D(5),E(0)