[Campbell Biology P.58] Based on Figure 1.9 and the accompanying text, what is the primary ... | Practice Question

Based on Figure 1.9 and the accompanying text, what is the primary role of decomposers like fungi and bacteria in an ecosystem?

  • A: To convert sunlight into chemical energy.
  • B: To feed on other organisms or their remains.
  • C: To break down waste products and dead organisms, returning chemicals to the soil.
  • D: To lose energy as heat during metabolic processes.

Explanation

The text states that 'decomposers such as bacteria and fungi break down waste products, leaf litter, and the bodies of dead organisms. The chemicals are then available to be taken up by plants again, thereby completing the cycle.' Figure 1.9 also illustrates decomposers returning chemicals to the soil.