In biology, a deme (rhymes with team) is another word for a local population of organisms of one species that actively interbreed with one another and share a distinct gene pool. If demes are isolated for a long time they can become distinct subspecies or species. See also population genetics and memetics. Main articles: Life The most salient example of biological universality is that all living things share a common carbon-based biochemistry and in particular pass on their characteristics via genetic material, which is based on nucleic acids such as DNA and which uses a common genetic code with only minor... In biology, the most commonly used definition of species was first coined by Ernst Mayr. ... In zoology, as in other branches of biology, subspecies is the rank immediately subordinate to a species. ... In biology, the most commonly used definition of species was first coined by Ernst Mayr. ... Population genetics is the study of the distribution of and change in allele frequencies under the influence of the five evolutionary forces: natural selection, genetic drift, mutation, migration and nonrandom mating. ... Memetics is the scientific approach to evolutionary models of information transfer based on the concept of the meme. ...

In Ancient Greece, a Deme was a subdivision of Attica, the region of Greece surrounding Athens.. Though it corresponded politically to a modern township, its very name suggested its origins as a village formed from an extended family network. These were set up by Clisthenes in his setting up of the Athenian government Ancient Greece is the term used to describe the Greek-speaking world in ancient times. ... Attica (in Greek: Αττική, Attike;; see also List of traditional Greek place names) is a periphery (subdivision) in Greece, containing Athens, the capital of Greece. ... The Acropolis in central Athens, one of the most important landmarks in world history. ... The term township generally means the district or area associated with a town. ... Cleisthenes (also Clisthenes or Kleisthenes) was a noble Athenian of the accursed Alcmeonidate family. ...