News tagged with sexual selection

Male pipefish pregnancy, it's complicated

In the upside-down world of the pipefish, sexual selection appears to work in reverse, with flashy females battling for males who bear the pregnancy and carry their young to term in their brood pouch. But new research shows ...

dateJan 04, 2017 in Plants & Animals
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Why fruit fly sperm are giant

In the animal kingdom, sperm usually are considerably smaller than eggs, which means that males can produce far more of them. Large numbers of tiny sperm can increase the probability of successful fertilization, especially ...

dateMay 25, 2016 in Plants & Animals
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