Replacement model Definition and Examples - Biology Online Dictionary

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

Animal Water Regulation

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

Plant Water Regulation

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

The Water Cycle

The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..

Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

Plant Biology

Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

The Origins of Life

This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

Replacement model

You will also like...