Search results
Results from the WOW.Com Content Network
The runes a:miþkarþi, Old Norse á Miðgarði, meaning "in Midgard" – "in Middle Earth", on the Fyrby Runestone (Sö 56) in Södermanland, Sweden.. In Germanic cosmology, Midgard (an anglicised form of Old Norse Miðgarðr; Old English Middangeard, Old Saxon Middilgard, Old High German Mittilagart, and Gothic Midjun-gards; "middle yard", "middle enclosure") is the name for Earth ...
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Also called range fragmentation, disjunct distributions may be caused by changes in the environment, such as mountain building and continental drift or rising sea levels; it may also be due to an organism expanding its range into new areas, by such means as rafting, or other animals transporting an organism to a new location (plant seeds consumed by birds and animals can be moved to new ...
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 ...
Oxford Dictionary of Biology (often abbreviated to ODB) is a multiple editions dictionary published by the English Oxford University Press. With more than 5,500 entries, [ 1 ] [ 2 ] it contains comprehensive information in English on topics relating to biology , biophysics , and biochemistry . [ 3 ]
Molecular biology – study of biology and biological functions at the molecular level, with some cross over from biochemistry. Structural biology – a branch of molecular biology, biochemistry, and biophysics concerned with the molecular structure of biological macromolecules. Health sciences and human biology – biology of humans.
On the other hand, the common definition of adaptation is a central concept in evolution: a trait that was functional to the reproductive success of the organism and that is thus now present due to being selected for; that is, function and evolution are inseparable.
In other cases the specific reasons why species do not pass these boundaries are unknown, however, ecology is the main determinant of the distribution of a species. [2] The fitness of a species falls at the edges of its distributional range, with population growth and fitness falling to zero beyond where a species can survive.