Dictionary > Replacement model

Replacement model

Definition
noun
A theory proposed by Christopher Stringer and Peter Andrews suggesting that the place of origin of modern human beings is in Africa. Early human predecessors then spread to the various parts of the world, replacing the Neanderthals and other hominids that eventually became extinct.
Supplement
This theory surmises that the regional anatomical differences of today’s modern humans are of recent developments.
Variant(s):

  • African replacement model
  • Replacement hypothesis

Synonym(s):

  • out of Africa model
  • recent single-origin hypothesis (RSOH)
  • Noah’s ark model
  • Recent African Origin model
  • recent African origin of modern humans
  • Compare:

    • Multiregional model


    You will also like...

    Gene Pool and Speciation
    The Gene Pool and Population Genetics

    According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

    Lentic community
    Freshwater Communities & Lentic Waters

    Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

    vitamins
    A Balanced Vitamin Diet – Vitamins A – K

    A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..

    Biological Energy
    ATP & ADP – Biological Energy

    ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..

    Oligodendrocyte and Schwann cell
    The Central Nervous System

    Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

    Young plant growing from the soil.
    Soils

    Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..

    Related Articles...

    No related articles found

    See all Related Topics