“Both of these branches of evolutionary science, are, in my opinion, in the closest causal connection; this arises from the reciprocal action of the laws of heredity and adaptation.”
Ernst Haeckel
Tags: Action | Adaptation | Arises | Both | Branches | Causal | Closest | Connection | Evolutionary | Heredity | Laws | Opinion | Reciprocal | Science | These
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Ernst Haeckel
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