Matter and energy are two fundamental inputs of an ecosystem. Movement of
A. Energy is bidirectional and matter is repeatedly circulating.
B. Energy is in repeated circulation and matter is unidirectional.
C. Energy is unidirectional and matter is repeatedly circulating.
D. Energy is multidirectional and matter is bidirectional.
Answer:C
Matter and energy are two fundamental inputs of an ecosystem. Movement of
A. Energy is bidirectional and matter is repeatedly circulating. B. Energy is in repeated circulation and matter is unidirectional. C. Energy is unidirectional and matter is repeatedly circulating. D. Energy is multidirectional and matter is bidirectional.