Zusammenfassung
Irgendwann begann das menschliche Gehirn zu wachsen. Aus Sicht der Evolution muss es dafür einen Anlass gegeben haben, das heißt, ein größeres Gehirn muss vorteilhaft gewesen sein. Auf den ersten Blick ist ein größeres Gehirn aber eher ein Nachteil für seinen Besitzer, denn es braucht mehr Energie als ein kleines. Da es in der Beschaffung dieser Energie eher rabiat zu Werke geht, wird die Energie dem Träger an anderer Stelle fehlen, es sei denn, es tun sich neue Energiequellen auf. Wie sahen diese Quellen aus und was hat diese Entwicklung mit dem neuen Lebensraum der Homininen zu tun? Stimmt es wirklich, dass der Mensch durch ein mehr an Fleisch erst wirklich zum Menschen geworden ist? Oder waren es die Mikronährstoffe?
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Biesalski, H. (2015). Der Weg zum Homo sapiens . In: Mikronährstoffe als Motor der Evolution. Springer Spektrum, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-55397-4_10
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