1)

Ecology, like economics, concerns itself with the movement of valuable__through a complex network of producers and consumers.


A) commodities

B) dividends

C) communications

D) nutrients

Answer:

Option A

Explanation:

(A) What are the things that go through a complex network of producers and consumers? Not dividends, nor communications, nor nutrient. Commodities is the only suitable word among the choices, and is the answer.