Which of the following organisms are most important in biodegradation

2.1.

In the environmental context, generally microorganisms are the most important agents of biodegradation. Although extensive degradation of some xenobiotic chemicals can occur in mammals (usually in the liver), they are not particularly important in degradation of environmental pollutants.

Explanation:

straight fertilizers

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.