The Image Reproduction Policy of the Zoology Section, University of Colorado Museum of Natural History, pertains to original photography of collection objects, analog or digital, and derivative images ...

This is a preview. Log in through your library . Abstract A synopsis is provided of different expressions of whole-animal vertebrate clonality (asexual organismal-level reproduction), both in the ...

Parthenogenesis, a form of asexual reproduction in which an egg develops in the absence of fertilisation, has traditionally been associated with invertebrates. However, recent discoveries have ...

WASHINGTON — An all-female freshwater fish species called the Amazon molly that inhabits rivers and creeks along the Texas-Mexico border is living proof that sexual reproduction may be vastly ...

LONDON (Reuters) - Sex has been a fact of life for at least 380 million years, longer than previously thought. Internal fertilization was widespread among prehistoric fish living on ancient tropical ...

WASHINGTON (Reuters) - An all-female freshwater fish species called the Amazon molly that inhabits rivers and creeks along the Texas-Mexico border is living proof that sexual reproduction may be ...

image: An international team of scientists has sequenced the genome of the Amazon molly, a fish that reproduces asexually. The researchers expected that the asexual organism would be at a genetic ...

This is a preview. Log in through your library . Abstract Age-specific survival and reproduction are closely linked to fitness and therefore subject to strong selection that typically limits their ...