about the thesis of evolutionary development

[dfymarine]

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"Ontology recapitulates the phylogeny"


in my textbooks, and other AP BIO study guides suggests it is true, that every developmental stages can traced back to evolution.


yet, in destroyer and someone says, it is false! 😱


???

 

[sixkiller]

"Ontology recapitulates the phylogeny"


in my textbooks, and other AP BIO study guides suggests it is true, that every developmental stages can traced back to evolution.


yet, in destroyer and someone says, it is false! 😱


???

The term "ontogeny recapitulates phylogent" means that the evolutionary history is repeated in the embryonic development....

Take a human embryo....this is the frog stage, pig stage, etc....

That is a false statements.

There is no mistake in the ap book....many species have similar embryonic morphology.

You're confusing two different things.