نتایج جستجو برای: alternative resource

تعداد نتایج: 508416  

Journal: :Journal of Geoscience and Environment Protection 2016

Journal: :International Perspectives on Sexual and Reproductive Health 2009

2011
T. Jonathan Davies Marc W. Cadotte

The pace and severity of the current extinction crisis is unprecedented, and there is a large disparity between the scale of the problem and the available recourses with which to mitigate it. Prioritising conservation efforts is therefore critical. With the extinction of species, we lose not only taxonomic diversity but also the ecosystem services they provide and the evolutionary history repre...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2010
David W Pfennig Matthew McGee

A major goal of evolutionary biology is to identify the causes of diversification and to ascertain why some evolutionary lineages are especially diverse. Evolutionary biologists have long speculated that polyphenism--where a single genome produces alternative phenotypes in response to different environmental stimuli--facilitates speciation, especially when these alternative phenotypes differ in...

2015

The use of complementary alternative medicine in pediatric populations is considerably increased. There are various reasons for the growing use of complementary and alternative medicine. Many complementary health products and practices aren’t tested for safety or effectiveness in children. It’s important to note that children may react differently than adults do to these approaches. Therefore, ...

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