Monera

views updated May 23 2018

Monera In some taxonomic schemes, one of the 5 kingdoms of life, comprising the prokaryotic Cyanophyta’ (cyanobacteria) and ‘Schizomycophyta’ (other bacteria). Prokaryotes are currently placed into more fundamental categories (see ARCHAEA and EUBACTERIA). Bacteria are believed to have been the earliest forms of life on Earth, dating from at least 3300 Ma ago, while the first cyanobacteria appeared about 2600 Ma ago.

Monera

views updated May 08 2018

Monera One of the five kingdoms of life in the classification originally proposed by R. H. Whitaker (1959, 1969), comprising the prokaryotic Cyanophyta (blue-green algae) and bacteria (Schizomycophyta). The bacteria were the first forms of life on Earth, dating from at least 3300 million years ago, while the first cyanophytes appeared about 2600 million years ago.

Monera

views updated May 23 2018

Monera See prokaryote

Monera

views updated Jun 08 2018

Monera See prokaryote.