together with Blue-green Algae are sometimes called Monera.
are minute living things.
are so tiny they can only be seen through a microscope
are microbes found?
are found everywhere.
are found in the earth, water, air, plants and animals.
are not green because they have no chlorophyll, so they do not
depend on sunlight to make their food.
are plentiful where there is the right food, moisture and temperature
to enable them to grow.
do microbes spread?
they are so tiny, microbes spread easily from one place to another.
can be carried on air currents, in water and on and in the bodies
of other living creatures.
are worried that bacteria could be carried to and from the plants
by space travel.
conditions are not suitable for them to feed and grow, many bacteria
spores are resting stages when normal life almost comes to a stop.
They can survive conditions that would kill most other living
things. They are very light and can be blown about in air currents.
is how bacteria have spread to all parts of the world's surface.
many kinds of bacteria are there?
are hundreds of different kinds of bacteria.
bacteria are beneficial.
plants and animals die bacteria help the process of decay. The
decayed plants and animals then pass back into the soil to give
nutrients to new plants and animals.
do many important jobs.
help to make cheese and yoghurt and many
is a microbe and is used in making bread.
bread has no yeast it will not rise.
bacteria can cause tooth decay.
bacteria can make you ill.
do bacteria reproduce?
love warmth and moisture and rapidly reproduce themselves in these
reproduce by splitting in two.
are killed instantly by strong heat, sunlight and some poisons.
are also microbes.
will often hear people call microbes - GERMS.