Jerry
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Personal
Big Issues
Science
Types of Science
Life Sciences
Biology
Phylogeny (Phylogenetics)
Ontogeny Recapitulates Phylogeny
Parents
Cause and Effect
Ernst Haeckel
Phylogeny (Phylogenetics)
Children
A Century Ago, Adolescents Weren’t Fully Human (grrr)
Embryonic development (ontogeny) runs through the same stages as evolutionary development (phylogeny).
Recapitulation Theory