orthoselection
orthoselection A primary selective pressure of a directional kind, which results in a self-perpetuating evolutionary trend. Species selection, via the effect hypothesis, has been advanced as an alternative explanation for such trends. See also Dollo's law.
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Trend , trend / trend/ • n. a general direction in which something is developing or changing: an upward trend in sales and profit margins. ∎ a fashion: the l… Evolutionary Trend , evolutionary trend A steady change in a given adaptive direction, either in an evolutionary lineage or in a particular attribute (e.g. height of shoo… Directed Speciation , directed speciation A speciational trend recognized in plants: the species do not conform to a continuum of adaptive types, but rather to a stepwise… Dollos law , Dollo's law Evolutionary irreversibility: once regarded as inevitable, but now considered to apply mainly in special cases. The potential for further… orthogenesis , orthogenesis Evolutionary trends that remain fairly constant over long periods of time and so appear to lead directly from ancestor organisms to thei… Species Selection , Skip to main content
species selection
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orthoselection