Which of the following best explains the natural cause of a decrease in biomass as succession peaks in a climax community? select one:
a. once a climax community is reached, there are no nutrients left in the ecosystem to support the growth of plants.
b. the canopy of forests prevents sufficient light from reaching the forest floor, thereby limiting primary productivity.
c. humans usually cut down old growth forests.
d. the presence of large animals such as elk or wolves prevents the development of young animals.

This verified answer is incorrect, the actual answer here is "B" and here is why:

A climax community refers to a big a stable community, so there would have to be enough nutrients being produced and used by plants for it to be stable in the first place.

The question next says " which one (explains) the (best) the natural cause, and humans aren't natural.

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .