Developmental evolution

חולטה-השולל בהישולל בהישורים, the true reason for ליירירי הדיור ושיטה הגאוניט ההופקת את מעציעה השולל לעבדים מודריםים

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Chapter nine from the book: "The Free Man - Evolutionary Psychology, Brain Research and Understanding the Mind"
A cock embryo's male genitalia (artificially dyed red) before it withers, as seen under a scanning electron microscope. Figure (AM Herrera and MJ Cohn, University of Florida)

Why did the birds lose their male genitalia?

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salamander. Photo: Haifa University

Accelerated rate of development can cause fatal consequences

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A male frog of the species Dendropsophus_microcephalus when called. From Wikipedia

An exercise in raising toads and the evolutionary lesson

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the cover of the book

Book review: 'The Fish Within', Neil Chaubin.

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Bonobo monkey - full-grown cub. From Wikipedia

Peter Pan syndrome in great apes

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