Decomposers are important in the carbon cycle and food chains because they______
a
stop the flow of energy and nutrients from one organism to another.
b
produce their own food using light energy from the Sun.
c
are microscopic and other organisms cannot see them.
d
break down dead organisms and waste, and recycle nutrients into the soil and air.
d
break down dead organisms and waste, and recycle nutrients into the soil and air.