Birth rate, competition are major players in hominid extinctions

Modern human mothers are probably happy that they typically have one, maybe two babies at a time, but for early hominids, low birth numbers combined with competition often spelled extinction.

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<p><a href="http://www.physorg.com/news90844063.html">Birth rate, competition are major players in hominid extinctions</a></p> <p>Modern human mothers are probably happy that they typically have one, maybe two babies at a time, but for early hominids, low birth numbers combined with competition often spelled extinction.</p>