|a widely distributed group of photosynthetic prokaryotic organisms, resembling phototrophic bacteria, occurring in diverse habitats|
|a theory that evolution of a species is due to a predetermined series of alterations intrinsic to the species, not due to natural selection|
|1.||a complex construction or entity|
|2.||the arrangement and interrelationship of parts in a construction, such as a building|
|3.||the manner of construction or organization: the structure of society|
|4.||biology morphology; form|
|5.||chem the arrangement of atoms in a molecule of a chemical compound: the structure of benzene|
|6.||geology the way in which a mineral, rock, rock mass or stratum, etc, is made up of its component parts|
|7.||rare the act of constructing|
|8.||(tr) to impart a structure to|
|[C15: from Latin structūra, from struere to build]|
structure struc·ture (strŭk'chər)
The arrangement or formation of the tissues, organs, or other parts of an organism.
A tissue, an organ, or other formation made up of different but related parts.