Meso- and macrofauna contribute to organic matter decomposition primarily by ________.
A) predation
B) enzymatic digestion of plant residues
C) synthesis of humus
D) enhancement of microbial activity
E) none of the above
Question 2
Which of the following groups is not considered to include important primary consumers in the soil ecosystem?
A) herbivores B) detritivores C) predators D) saprophytes E) fungi