species

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It is particularly critical to understand the conservation implications of biological species on islands because of several unique conservation challenges of these biological communities.
Mayr 1942) -- a species expanding its geographic range bifurcates around a physical barrier, diverges as it travels two separate pathways, and reconnects on the far side of the physical barrier as biological species (Jordan 1905).
By extension, her argument is that this substratum of language (biosemiotic communication), one that is shared across biological species lines, morally and affectively connects humans as biological beings with other biological beings including animals.
The rich analysis Sandler offers in The Ethics of Species provides a strong foundation to the philosopher interested in the normative standing of biological species.
Chemical compounds and biological species have fuzzy boundaries, whereas realism towards natural kinds is not prima facie incompatible with their fuzziness.
Chapter 3, "Ice-Dependent Ecosystems: Life on the Edge," provides, at least for this physics-trained scientist, an excellent account of Arctic biological species, their life cycles, and their interdependencies.
The book groups reflections and ideas by the Cuban leader expressed between 2007 and 2012, and the first pages are dedicated to his speech at the Earth Summit 20 years ago, when said "An important biological species is in danger of disappearing due to the fast and progressive destruction of its natural living conditions: mankind" -a message which he has emphasized since then.
Evidence recently put together seems to show mass extinctions of biological species at intervals of 26 million years.
He talked of the value of the biological species concept, for a stable classification (something today more than ever to be desired, especially due to those workers who want to base their new taxa on molecular findings only).
RCA is a highly sensitive nucleic acid amplification technique, which has been used in the detection of DNA, RNA, single-nucleotide polymorphisms, and other biological species.
The material on bioseparations covers thermodynamic activity of biological species in aqueous solutions, molecular mass transfer in bioseparations, extraction of bioproducts, microfiltration and ultrafiltration in bioprocessing, biosepartions involving adsorption and chromatography, bioproduct crystallization, drying of bioproducts, and mechanical phase separations.
Sample analysis technologies in multiple biological species and matrices for Pre-Clinical Animal Studies