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Common Ancestor Quotes

Common Ancestor quote from classy quote

If a single cell, under appropriate conditions, becomes a man in the space of a few years, there can surely be no difficulty in understanding how, under appropriate conditions, a cell may, in the course of untold millions of years, give origin to the human race.

~ Herbert Spencer

Herbert Spencer Analogy Biology Cell Common Ancestor Embryology Evolution Heredity Homo Sapiens Human Millions Of Years Origin Science Understanding Universal Common Ancestor

An irrefutable proof that such single-celled primaeval animals really existed as the direct ancestors of Man, is furnished according to the fundamental law of biogeny by the fact that the human egg is nothing more than a simple cell.

~ Ernst Haeckel

Ernst Haeckel Ancestor Biogeny Biology Common Ancestor Evolution Irrefutable Irrefutable Proof Proof Science Single Cell

All of today's DNA, strung through all the cells of the earth, is simply an extension and elaboration of [the] first molecule.

~ Lewis Thomas

Lewis Thomas Biology Common Ancestor Dna Evolution First Cell First Molecule Origin Of Dna Origin Of Life Origin Of The First Cell Origin Of The First Molecule Science Universal Common Ancestor

The uniformity of the earth's life, more astonishing than its diversity, is accountable by the high probability that we derived, originally, from some single cell, fertilized in a bolt of lightning as the earth cooled. It is from the progeny of this parent cell that we take our looks; we still share genes around, and the resemblance of the enzymes of grasses to those of whales is a family resemblance.

~ Lewis Thomas

Lewis Thomas Astonishing Biology Chemistry Common Ancestor Diversity Evolution Genes Life Origin Of Life Science Uniformity Universal Common Ancestor
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