What is "ontogeny recapitulates phylogeny"?
A mutation theory
A genealogy mapping method
An individual organism's development, mirrors its species' evolutionary development
A linguistic theory
Answer
Ontogeny recapitulates phylogeny means that an individual organism's development mirrors its species' evolutionary development. This is the idea that the embryo of an animal goes through the stages of development of its ancestors in its own development. For example, a human embryo has gill slits at one point in its development, just like fish do.
Exploring the Extraordinary: The Remarkable Life of Ernst Haeckel
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