News tagged with reproductive success

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Honest deer every year

The vocalisations or 'groans' of male fallow deer provide rivals and potential mates with an honest account of the emitting animal's competitive abilities. A study, published in the open access journal BMC Biology, descri ...

dateApr 09, 2010 in Plants & Animals
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How the daisy got its spots... and why

Dark spots on flower petals are common across many angiosperm plant families and occur on flowers such as some lilies, orchids, and daisies. Much research has been done on the physiological and behavioral ...

dateDec 18, 2009 in Plants & Animals
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EPA fellow studies effect of mercury in toads

Christine Bergeron of Old Orchard Beach, Maine, a doctoral student in Virginia Tech's College of Natural Resources, received a fellowship from the Environmental Protection Agency's (EPA) National Center for ...

dateOct 19, 2009 in Ecology
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Sheep that shed light on personality differences

The team led by Denis Reale, a professor in the Department of Biological Sciences at UQAM and Canada Research Chair in Behavioural Ecology, recently completed a study showing the link between personality, survival and reproductive ...

dateSep 15, 2009 in Plants & Animals
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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 ...

dateSep 08, 2009 in Evolution
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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 ...

dateJul 07, 2009 in Plants & Animals
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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 ...

dateJul 01, 2009 in Evolution
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