ontogenesis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

Morphology must be taught as mere descriptive anatomy and systematising, the history of development as mere descriptive ontogenesis.

From Freedom in Science and Teaching. from the German of Ernst Haeckel by Huxley, Thomas Henry

Haeckel demonstrates the parallelism between ontogenesis and philogenesis—between the successive forms in the evolution of the embryo and the successive forms of the individual in the evolution of a race.

From The Mechanism of Life by Leduc, Stéphane

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

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