Producers are autotrophic. that is, they are able to feed themselves by converting carbon dioxide from the air and light energy from the sun into food.

consumers and decomposers are heterotrophic. this means that these organisms must obtain their food by eating other organisms or organic matter.

the relationships among producers, consumers, and decomposers carrying out either autotrophic or heterotrophic nutrition are identified through

a.
food webs.
b.
the periodic table.
c.
feedback mechanisms.
d.
punnett squares.