orthogenesis defined in 1951 year

orthogenesis - orthogenesis;
orthogenesis - Steady trend of evolution in a given direction over a prolonged period of time, affecting related groups of organisms, due to the working out of inherent trends within the inherited material. It is not generally accepted that orthogenesis is the proper explanation of the many known instances of persistent evolutionary trends.

near orthogenesis in Knolik

letter "O"
start from "OR"

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