نتایج جستجو برای: human reproduction
تعداد نتایج: 1697751 فیلتر نتایج به سال:
Journal:
:Human Reproduction
2008
2015
Gary A Wellborn
R Brian Langerhans
The tenet that ecological opportunity drives adaptive diversification has been central to theories of speciation since Darwin, yet no widely accepted definition or mechanistic framework for the concept currently exists. We propose a definition for ecological opportunity that provides an explicit mechanism for its action. In our formulation, ecological opportunity refers to environmental conditi...
Journal:
:JBRA Assisted Reproduction
2013
Journal:
:Journal of Law and the Biosciences
2016
Journal:
:Journal of Medical Ethics
1995
Journal:
:Human Reproduction Update
2001
Journal:
:SHS Web of Conferences
2019
Journal:
:Human Reproduction
2014
Journal:
:Human Reproduction
2005
Journal:
:JBRA Assisted Reproduction
2020
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