Question 4

(Multiple Choice)

The dynamics of an ecosystem depends on two main processes, which are ____.​


A) the cycling of energy and the unidirectional flow of nutrients​
B) ​the unidirectional flow of energy and the cycling of nutrients
C) ​the multidirectional flow of both energy and nutrients
D) ​the unidirectional flow of both energy and nutrients
E) ​the cycling of both energy and nutrients

Answer