PLS HELP!! Maximillian is preparing for an end-of-course exam in his social studies class. How can he apply Craik and Lockhart's levels-of-processing model to increase retention? Be sure to include key terms related to the model in your response.

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.