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  1. Sibling species are morphologically similar, sometimes even indistinguishable by appearance, but nevertheless... a tetraploid, with twice the number of chromosomes as the other species . Their hybrids are not viable, so they have evolved slightly...

    3 Answers · Science & Mathematics · 15/05/2010

  2. A species emerges as a result of a branching event that...become a *permanent* genetic isolation ... what was once one species is now two species ... and they can *never* regain...

    1 Answers · Science & Mathematics · 15/06/2008

  3. An endangered species is a population of organisms which ... offering protection to conservation reliant species : for example, forbidding hunting, ...

    4 Answers · Environment · 20/05/2011

  4. Different species have different songs, different plumages and often different mating...they are genetically close, are often ecologically disparate. Since each species possesses a genotypic makeup that is well adapted to a particular...

    4 Answers · Science & Mathematics · 15/07/2010

  5. Earlier species splits into distinct populations through ...distinct genome that when the populations of the original species intermingle they are no longer able to produce fertile...

    1 Answers · Science & Mathematics · 26/11/2008

  6. No. endangered species are often endangered due to their..., and you've got yourself a species with limited population and range. start ...

    3 Answers · Environment · 17/03/2009

  7. " Species separation" is referred to as speciation, or sometimes...s an example of geographic isolation which can give rise to two new species (what we call "sympatric speciation"): Say you have...

    1 Answers · Science & Mathematics · 03/04/2012

  8. New species form when members of the same species become adapted to new...or not. A subspecies is, by definition, a geographic variation within the same species . If all individuals of fish, for example, are found...

    3 Answers · Science & Mathematics · 28/05/2013

  9. The Endangered Species Act of 1973 or ESA was the most... to pass comprehensive endangered species legislation. Congress responded by ...

    6 Answers · Environment · 14/10/2007

  10. Most define species as creatures that can interbreed. Under this a lion is one species ... form the discrete phenetic clusters that we recognize as species because the ecological and evolutionary processes controlling how ...

    5 Answers · Social Science · 09/02/2010

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