(Phys.org) —As is the case in all areas of science, our understanding of evolutionary biology is… well, evolving. Two such areas are macroevolution (any evolutionary change at or above the level of species ...

Biology - Evolution

Mar 18, 2013 3.8 / 5 (6) 0 |

(Phys.org)—Despite evidence that phenotypic change does not always occur uniformly across all species members and lineages, single size or shape traits are often used to represent species-level change in ...

Biology - Evolution

Dec 14, 2012 5 / 5 (4) 4 |

(Phys.org) -- New York City is the nexus of all things intellectual, cultural and academic. (Being a native New Yorker, I admit being somewhat biased.) Either way, one highlight in this complex and vibran ...

Biology - Evolution

Aug 08, 2012 5 / 5 (1) 0 |

(Phys.org)—Males and females... Mars and Venus... XY and XX chromosomes—all are common memes. At the same time, the evolution of therian (placental and marsupial) sex chromosomes is less widely understood. ...

Biology - Evolution

Apr 18, 2012 4 / 5 (14) 18 |

(PhysOrg.com) -- Although the question of what makes humans different from other animals doesn't have a single obvious answer, one seemingly conspicuous human trait is morality. Darwin, in his book The Descent of Man, an ...

Biology - Evolution

May 19, 2010 4.5 / 5 (27) 428 |

(PhysOrg.com) -- Mass extinctions occur repeatedly, though irregularly, throughout Earth’s history, and occasionally these extinctions have been devastating to life on our planet - or have they? Extinction ...

Biology - Evolution

Apr 03, 2009 4.7 / 5 (30) 16

In ancient Greece, the city-states that waited until their own harvest was in before attacking and destroying a rival community's crops often experienced better long-term success.

Biology - Evolution

May 15, 2013 5 / 5 (3) 0 |

(Phys.org) —A fundamental question in the evolution of animal body plans, is where did the head come from? In animals with a clear axis of right-left symmetry, the bilaterians, the head is where the brain ...

Biology - Evolution

Mar 28, 2013 4 / 5 (5) 20 |

(Phys.org) —A protein-folding simulation shows that the debated theory of long-term evolution is not only possible, but that the outcomes are predictable. The Stanford experiment provides a framework for ...

Biology - Evolution

Mar 18, 2013 4.6 / 5 (20) 25 |

A New York Medical College developmental biologist whose life's work has supported the theory of evolution has developed a concept that dramatically alters one of its basic assumptions—that survival is based on a change's ...

Biology - Evolution

Oct 11, 2012 4.3 / 5 (7) 8 |

(Phys.org)—A team of researchers at Michigan State University has documented the step-by-step process in which organisms evolve new functions.

Biology - Evolution

Sep 19, 2012 4.6 / 5 (9) 1 |

(Phys.org) -- Animals that generate a protective layered environment in which their offspring develop are known as amniotes, regardless of whether they give birth to them or lay them as eggs. This group includes mammals and ...

Biology - Evolution

Aug 17, 2012 3 / 5 (3) 1 |

A whole-genome analysis suggests that polar bear numbers waxed and waned with climate change, and that the animals may have interbred with brown bears since becoming a distinct species millions of years ago.

Biology - Evolution

Jul 23, 2012 4.4 / 5 (8) 8 |

(Phys.org) -- A classic study from more than 60 years ago suggesting that males are more promiscuous and females more choosy in selecting mates may, in fact, be wrong, say life scientists who are the ...

Biology - Evolution

Jun 26, 2012 4.8 / 5 (26) 13 |

(Phys.org) -- A team of researchers in Australia has shown that the evolution of flowers in that country was driven by the preferences of bees, rather than the other way around. In their paper published in ...

Biology - Evolution

Jun 07, 2012 4.4 / 5 (5) 2 |