sub-atomic particle: which makes up an atom: which makes up molecules: which makes up DNA: which make up organelles (cell parts): which makes up cells: which makes up tissues: which makes up organs: which makes up organ systems: which makes up organisms.
The smallest unit on the Celsius thermometer is 1 degree Celsius.
The word Atom was used many years ago to describe the smallest size anything could be. There have been several changes since then. The smallest unit these days is described as something so small that no-one can see it no mater how hard they look. In scientific notation it is written as 0.000 000 000 000 0001 or a picolitre
The smallest unit of electric charge that occurs in ordinary matter is the charge of an electron, which is approximately -1.6 x 10^-19 coulombs.
a mole in the term of molar mass which measures subatomic particles. stated as gram per mole
The smallest unit of measurement used to describe the storage capacity of a computer is called a bit. It is a binary digit that can represent either a 0 or a 1, and is the basic building block of all digital data.
A cell is the smallest unit of an organism
A citizen, who voluntary self-identifies as a party member, functions as the smallest unit of the party organization.
Species
dscd
mohawk
Interacting With Other Species
organ, or unit e.g. a flower Population
The cell is the level of organization that is the smallest unit of life. Cells working together make tissues.
The smallest unit of ecological organization is an individual organism. This could be a single plant or animal that interacts with its living and non-living environment within a specific ecosystem.
field
cell The Cell is the smallest metabolically functional unit of life.1 1. http://en.wikipedia.org/wiki/Cell
The smallest unit is a quark. I'm not sure what you mean by 'of classification'