News tagged with american naturalist

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Spread your sperm the smart way

(PhysOrg.com) -- Attractive males release fewer sperm per mating to maximise their chances of producing offspring across a range of females, according to a new paper on the evolution of ejaculation strategies. The findings ...

dateJul 09, 2009 in Evolution
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Bird songs change with environment

Just as a changing radio landscape has made it tough for Foghat to get much airplay these days, so it is for birdsongs according to new research published in The American Naturalist.

dateMay 20, 2009 in Plants & Animals
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When industrious ants go too far

Nature is full of mutually beneficial arrangements between organisms—like the relationship between flowering plants and their bee pollinators. But sometimes these blissful relationships have a dark side, as Harvard biologist ...

dateApr 28, 2009 in Plants & Animals
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Why Don’t More Animals Change Their Sex

(PhysOrg.com) -- Most animals, like humans, have separate sexes — they are born, live out their lives and reproduce as one sex or the other. However, some animals live as one sex in part of their lifetime and then switch ...

dateFeb 02, 2009 in
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Sequence matters in droughts and floods

When extremes of drought and flood come in rapid succession, the extent of damage to vegetation may depend in part on the sequence of those events, according to a new study published in The American Naturalist.

dateJan 08, 2009 in
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