Archive for May, 2009

  • In paleontology, a Lazarus taxon (plural taxa) is a taxon that disappears from one or more periods of the fossil record, only to appear again later. The term refers to […]

    Lazarus Taxa

    In paleontology, a Lazarus taxon (plural taxa) is a taxon that disappears from one or more periods of the fossil record, only to appear again later. The term refers to […]

    Continue Reading...

  • 168 In biology and ecology, extinction is the death of every member of a species or group of taxa. The moment of extinction is generally considered to be the death […]

    Extinction

    168 In biology and ecology, extinction is the death of every member of a species or group of taxa. The moment of extinction is generally considered to be the death […]

    Continue Reading...