News tagged with evolutionary strategy
Faithful males do not bring flowers
May 19, 2009 |
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(PhysOrg.com) -- Fairy-wrens are notorious for their infidelity: despite living in seemingly harmonious monogamous pairs, females produce mostly illegitimate young, and males spend more time courting other ...
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Predators and parasites may increase evolutionary stability
Biology /
Oct 26, 2007 |
4.7 / 5 (3) |
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A new study explores the role of natural enemies, such as predators and parasites, for mixed mating, a reproductive strategy in which hermaphroditic plants and animals reproduce through both self- and cross-fertilization. ...
Scientists Use MicroRNAs to Track Evolutionary History for First Time
Sep 09, 2009 |
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(PhysOrg.com) -- A team of scientists from Yale University and Dartmouth College has used microRNA data to investigate the evolutionary relationships of annelids, which include earthworms, leeches and bristle ...
Birds' strategic mobbing fends off parasitic invaders
Biology /
Jan 29, 2009 |
5 / 5 (1) |
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Reed warblers use mobbing as a front line of nest defense against parasitic cuckoos, according to a new report published online on January 29th in Current Biology, a Cell Press publication. Cuckoos act as parasites by lay ...
Male and female shopping strategies show evolution at work in the mall
Other Sciences / Social Sciences
Dec 02, 2009 |
4 / 5 (13) |
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Male and female shopping styles are in our genes---and we can look to evolution for the reason. Daniel Kruger, research faculty at the University of Michigan School of Public Health, says it's perfectly natural that men often ...
Trust in a teardrop: Researcher says tears can help build, strengthen personal relationships
Other Sciences / Social Sciences
Aug 24, 2009 |
3.5 / 5 (2) |
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Medically, crying is known to be a symptom of physical pain or stress. But now a Tel Aviv University evolutionary biologist looks to empirical evidence showing that tears have emotional benefits and can make interpersonal ...
Plants with male and bisexual flowers on the same plant are better mothers
Biology /
Apr 30, 2007 |
5 / 5 (1) |
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What would be the opening chapter of the Kamasutra of plant sex? A good pick would be a description of the numerous ways in which plants arrange their sexual organs: from both sexes in the same flower to sexes ...
Bacteria expect the unexpected: Scientists observe the emergence of a new adaptation strategy
Nov 04, 2009 |
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Organisms ensure the survival of their species by genetically adapting to the environment. If environmental conditions change too rapidly, the extinction of a species may be the consequence. A strategy to ...
New theory on why male, female lemurs same size
Jul 14, 2009 |
4.3 / 5 (6) |
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When it comes to investigating mysteries, Sherlock Holmes has nothing on Rice University biologist Amy Dunham. In a newly published paper, Dunham offers a new theory for one of primatology's long-standing ...
Researchers explore altruism's unexpected ally -- selfishness
May 01, 2008 |
3.9 / 5 (10) |
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Just as religions dwell upon the eternal battle between good and evil, angels and devils, evolutionary theorists dwell upon the eternal battle between altruistic and selfish behaviors in the Darwinian struggle for existence. ...
Opposites attract -- how genetics influences humans to choose their mates
May 25, 2009 |
4.8 / 5 (16) |
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New light has been thrown on how humans choose their partners, a scientist will tell the annual conference of the European Society of Human Genetics today. Professor Maria da Graça Bicalho, head of the Immunogenetics and ...
List of search results for evolutionary strategy
