Question

zinc, cobalt, molybdenum, nickel, and copper are examples of ______. options: macroelements, growth factors, macronutrients, micronutrients

Explanation:

These elements are required in very small (micro) quantities by organisms (like plants or microbes) for proper physiological function, distinguishing them from macronutrients/macroelements needed in larger amounts, and they are not organic growth factors.

Answer:

D. micronutrients