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The pygmy mammoth is an example of insular dwarfism, a case of Foster's rule, its unusually small body size an adaptation to the limited resources of its island home.. A biological rule or biological law is a generalized law, principle, or rule of thumb formulated to describe patterns observed in living organisms.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
The concept of teleonomy was largely developed by Mayr and Pittendrigh to separate biological evolution from teleology. Pittendrigh's purpose was to enable biologists who had become overly cautious about goal-oriented language to have a way of discussing the goals and orientations of an organism's behaviors without inadvertently invoking teleology.
having uniform color throughout: cougar, Puma concolor; white fir, Abies concolor: conno-G κόννος (kónnos) beard: wildebeest, Connochaetes gnou: All pages with titles beginning with Conno: copros: G κόπρος (kópros) excrement: Copris, genus of dung beetles; coprophilous, 'growing on animal dung' corax: L corvus G κόραξ (kórax ...
Hutton's Unconformity at Jedburgh. Above: John Clerk of Eldin's 1787 illustration. Below: 2003 photograph. Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, [1] is the assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in the past and apply everywhere in the ...
Cope's rule also appears to hold in clades where a constraint on size is expected. For instance, one may expect the size of birds to be constrained, as larger masses mean more energy must be expended in flight. Birds have been suggested to follow Cope's law, [23] although a subsequent reanalysis of the same data suggested otherwise. [24]
Uniformity (chemistry), a measure of the homogeneity of a substance's composition or character Uniformity (complexity) , a concept in computational complexity theory Uniformity (philosophy) , the concept that the same natural laws and processes that operate in the universe now have always operated in the universe
Facultative means "optional" or "discretionary" (antonym obligate), used mainly in biology in phrases such as: Facultative (FAC), facultative wetland (FACW), or facultative upland (FACU): wetland indicator statuses for plants; Facultative anaerobe, an organism that can use oxygen but also has anaerobic methods of energy production. It can ...