noun, plural: maps
(1) A visual or graphical representation depicting the relative positions of objects, events, states, or parts
Biological maps are useful tools to determine relative positions of biological elements. Examples of biological maps are those used in genetics and neuroscience. In genetics, a map that shows the arrangement of genes on chromosomes is called genetic map. It also indicates the location of certain genetic markers and their relative position to one another. Another biological map is a brain map wherein brain activities are depicted. The map shows which areas in the brain have relatively higher or lower activities.