Answer: Fungi, which are not green plants because they do
not contain chlorophyll, cannot make their own food and so must
rely on other things. Most fungi feed on the remains of dead
plants and animals. They are decomposers and change dead things
into humus which is rich in nutrients that plants use as food.
Soil with plenty of humus in it grows strong plants.
Occasionally a fungus can grow on living things, if the spores
(its method of reproducing) are carried by the wind and land
on a tree, for example, where there is a good supply of warmth
and moisture. You can sometimes see this with the bracket fungus.
Mould is a fungus and cannot make its own food. It must use the
food made by other plants, e.g. bread mould uses the starch in
the bread. Fruit where the skin has been damaged is open to mould
growth. |