阿摩線上測驗
3. In an ecosystem, if an insect that consumes plant seeds containing 100 J, using 30 J for respiration and excreting 50 J in its feces, what is the insect’s net secondary production, and what is its production efficiency?
(A) 20 J; 20%
(B) 50 J; 50%
(C) 30 J; 30%
(D) 70 J; 70%
(E) 80 J; 80%
答案：登入後查看
統計： A(8), B(1), C(2), D(0), E(0) #3429682
統計： A(8), B(1), C(2), D(0), E(0) #3429682
