If a plant dies, then the energy rich organic matter is fed upon and broken down by a variety of decomposer organisms (including insects, bacteria and fungi), releasing heat.
(a plant; dies; ) (the energy rich organic matter; is fed; upon; T:then) (the energy rich organic matter; broken down; by a variety of decomposer organisms (including insects, bacteria and fungi)
a plant the energy rich organic matter the energy rich organic matter
dies is fed broken down
upon T:then
by a variety of decomposer organisms (including insects, bacteria and fungi