A citizen, who voluntary self-identifies as a party member, functions as the smallest unit of the party organization.
A cell is the smallest unit of an organism
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.
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cell The Cell is the smallest metabolically functional unit of life.1 1. http://en.wikipedia.org/wiki/Cell
Precinct - (definition) "Smallest units of election districts and party administration."Source: Keesee, Tim. American Government for Christian Schools. South Carolina, 2004.
PERMANENT POLITICAL PARTY ORGANIZATION IN TEXAS *. Level One ... the smallest unit of the party organization, often referred to as "the grassroots" level