News tagged with reproductive success

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Infertility and the battle of the sexes

About 10% of all couples hoping for a baby have fertility problems. Environmentalists say pollution is to blame and psychiatrists point to our stressful lifestyles, but evolutionary biologist Dr. Oren Hasson of Tel Aviv University's ...

Sep 08, 2009 not rated yet 0

Male seahorses like big mates

Male seahorses have a clear agenda when it comes to selecting a mating partner: to increase their reproductive success. By being choosy and preferring large females, they are likely to have more and bigger eggs, as well as ...

Jul 07, 2009 not rated yet 0

Key to evolutionary fitness: Cut the calories

Charles Darwin and his contemporaries postulated that food consumption in birds and mammals was limited by resource levels, that is, animals would eat as much as they could while food was plentiful and produce as many offspring ...

Jul 01, 2009 5 / 5 (2) 0