ontogenesis

Example Sentences

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Or, briefly stated, ontogenesis, or the embryonic development of the individual, is a brief recapitulation of phylogenesis, or the ancestral development of the phylum or group.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by Tyler, John Mason

This resemblance is so close in the main features that we have only to repeat what we have already said of the ontogenesis of the Amphioxus.

From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August

But these efforts were so seriously marred by ignorance of comparative anatomy, an imperfect acquaintance with ontogenesis, and a complete neglect of phylogenesis, that they could not have more than a passing success.

From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August

"We also believe," he added, growing bolder, "in the fundamental, biogenetic law that ontogenesis is an abridged repetition of philogenesis."

From Tillie, a Mennonite Maid; a Story of the Pennsylvania Dutch by Martin, Helen Reimensnyder

There has been no dearth of attacks—often violent attacks—on my conception of an intimate causal connection between ontogenesis and phylogenesis; but no other satisfactory explanation of these important phenomena has yet been offered to us.

From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August