As small as about one micrometre, or a millionth of a metre, although if you count viruses as living things than can be hundreds of times smaller still.
http://en.wikipedia.org/wiki/Image:Relative_scale.svg
Above, graph of relative sizes.
Quiet Small
probably tadpoles.
The study of small living things
Water and Salt.
It is Aluminium.
The living things have life while the non-living things do not have life. The living things locomote and respond to stimuli while the non-living things do not.
Yes, it is only true for living things that are small.
They are small living things.
ant
'organisms' because they are living things, 'mirco-' means very small.
They are both. Microbes are just small living things which we need a microscope to see.
Microbiology
probably tadpoles.
Micro means very small and biology is the study of living things, so microbiology is the study of very small living things normally too small tobe seen with the naked eye.
The study of small living things
30
a microscope Either a microscope or a magnifying glass, depending on just how small the 'tiny living things' are.
Yes. It kills living things.