News tagged with reproductive choice
Sympatric speciation contributes to island biodiversity
Scientists discover at least 11 examples of sympatric speciation on Lord Howe Island.
Mar 15, 2012 |
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Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
Nov 26, 2009 |
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Fish go mad for ginger gene
There may be plenty of fish in the sea but the medaka knows what it likes. A new study published in the open access journal BMC Biology shows how a single gene mutation that turns Japanese Killifish a drab ...
Sep 28, 2009 |
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Family planning a major environmental impact
Some people who are serious about wanting to reduce their "carbon footprint" on the Earth have one choice available to them that may yield a large long-term benefit - have one less child.
Jul 31, 2009 |
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Mystery of monarch migration takes new turn
During the fall, hundreds of millions of monarch butterflies living in eastern North America fly up to 1,500 miles to the volcanic forests of Mexico to spend the winter, while monarchs west of the Rocky Mountains fly to the ...
May 31, 2012 |
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A mating dance with Popeye arms
A research team at Bielefeld University headed by the evolutionary biologist Dr. Holger Schielzeth is now studying how far a comparable mechanism is involved in mate choice among locusts. The male Siberian ...
May 25, 2012 |
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Battle of the sexes offers evolutionary insights
In a paper published May 3, in the journal Evolution, University of Cincinnati graduate student Karl Grieshop and Michal Polak, associate professor of biological sciences at UC, examine the role of genita ...
May 03, 2012 |
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Discerning males remain faithful
Discerning males remain faithful ... if you are a spider. Sex for male orb web spiders (Argiope bruennichi) is a two shot affair since the act of mating destroys their genitalia. If they survive being eaten ...
Apr 24, 2012 |
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Birds found to put more energy into current brood when ill
(PhysOrg.com) -- In an interesting study designed to find out how birds make choices, whether consciously or not, about how much effort to expend on offspring when ill, a team from Illinois State University ...
Mar 30, 2012 |
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Nematode research shows stress resistance tied to reproductive fitness
(PhysOrg.com) -- It seems in most everything in life there is a tradeoff. If you work more, for example, you’re likely to do better in your career, but, unfortunately, your personal life is likely to ...
Dec 16, 2011 |
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Siri's abortion info flap: Blame it on Beta, says Apple
Siri is the intelligent iPhone personal assistant smart enough to give you an answer just by asking—unless your question is where to find the closest abortion clinic. In a fast and furious go-round this ...
Electronics / Consumer & Gadgets
Dec 01, 2011 |
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Numerous flaws in 'personhood' movement, says family law expert
(PhysOrg.com) -- On Nov. 8, Mississippi voters will cast their ballots on Initiative 26, which would make every “fertilized egg” a “person” as a matter of law.
Other Sciences / Social Sciences
Nov 08, 2011 |
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Researchers reveal baby-killer birds
(PhysOrg.com) -- The mysterious behaviour of female Eclectus parrots killing their sons immediately after they hatch has been unravelled by a team of researchers from the Australian National University.
Oct 20, 2011 |
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Female promiscuity can rescue populations from harmful effects of inbreeding
Females in inbred populations become more promiscuous in order to screen out sperm from genetically incompatible males, according to new study by the University of East Anglia.
Sep 22, 2011 |
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List of search results for reproductive choice
