The Columbian Exchange promoted the Commercial Revolution in Europe by: A. increasing production of raw materials.
B. decreasing production of manufactured goods.
C. increasing demand for skilled labor.
D. decreasing demand for agricultural imports.

For 50 points populations within ecosystems can be separated into categories—producers, consumers, and decomposers. these categories represent a. the fossil records of organisms. b. the reproductive methods of organisms. c. the body plans of organisms. d. the functions that organisms serve.