Although the concept of population is central to ecology, evolutionary biology and conservation biology, most definitions of population rely on qualitative descriptions such as " a group of organisms of the same species occupying a particular space at a particular time " Waples and Gaggiotti identify two broad types of definitions for populations ; those that fall into an ecological paradigm, and those that fall into an evolutionary paradigm.

Although virions of different retroviruses do not have the same morphology or biology, all the virion components are very similar.

Although philosophers of science and philosophers generally have long been interested in biology ( e. g., Aristotle, Descartes, Leibniz and even Kant ), philosophy of biology only emerged as an independent field of philosophy in the 1960s and 1970s.

Although A. thaliana has little direct significance for agriculture, it has several traits that make it a useful model for understanding the genetic, cellular, and molecular biology of flowering plants.

Although causation from the biological — genetic and hormonal — to the behavioural has been broadly demonstrated and accepted, Money is careful to also note that understanding of the causal chains from biology to behaviour in sex and gender issues is very far from complete.

Although X. laevis does not have the short generation time and genetic simplicity generally desired in genetic model organisms, it is an important model organism in developmental biology, cell biology, toxicology and neurobiology.

Although reproduction methods that are based on the use of two parents are more " biology inspired ", some research suggests that more than two " parents " generate higher quality chromosomes.

Although it draws heavily on symbiosis ideas first put forward by mid-19th century scientists and by Merezhkovsky ( 1905 ) and Ivan Wallin ( 1920 ) in the early-20th century, Margulis's endosymbiotic theory formulation is the first to rely on direct microbiological observations ( as opposed to paleontological or zoological observations which were previously the norm for new works in evolutionary biology ).

Although newer knowledge in biology has more sharply defined what the text in these 1946 boxes labels " electro-colloidal ," the diagram remains, as Korzybski wrote in his last published paper in 1950, " satisfactory for our purpose of explaining briefly the most general and important points.

Although expected to become a housewife by her parents, Lindquist studied microbiology at the University of Illinois as an undergraduate and received her PhD in biology from Harvard in 1976.

Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to ayurveda, ancient Egyptian medicine and the works of Aristotle and Galen in the ancient Greco-Roman world.

Although the application of mathematics to every aspect of science is its ultimate goal, biology is still too complex and poorly understood.

Although the popular image of a nursery is that of a supplier of garden plants, the range of nursery functions is far wider, and is of vital importance to many branches of agriculture, forestry and conservation biology.

Although Shahn attended New York University as a biology student in 1919, he went on to pursue art at City College in 1921 and then at the National Academy of Design.

Although in general use polymorphism is quite a broad term, in biology it has been given a specific meaning.

Although widely distributed worldwide in soil and fresh water, C. reinhardtii is primarily used as a model organism in biology in a wide range of subfields.

MacIntyre writes the following of this shift in the Preface to the book: " Although there is indeed good reason to repudiate important elements in Aristotle's biology, I now judge that I was in error in supposing an ethics independent of biology to be possible.

Although as of yet the precise binding mechanism of IR and its lignad has not been elucidated structurally, as identified using a systems biology approach, biologically relevant prediction of the IR-ligand kinetics ( insulin / IGF-I ) has been identified in the context of the currently available IR ectodomain structure.

Although the design staff had opted to give a fantastic rather than scientific representation of evolutionary theories and planet development, the crew was assisted by teachers from local schools to provide information on geology and biology to the programmers.

Although its members occur in arid and sandy areas worldwide ( except Australia ), only the nocturnal adults have ever been collected ( typically at lights ), and both the larvae and biology of Glaresis are as yet unknown.

Although he questions the extent and nature of the alleged revival of religion and the alleged increase in conformity, and thinks that `` hedonistic '' present-time orientation does not have the meaning usually attributed to it, he does conclude that Americans increasingly enjoy leisure without guilt, do not stress achievement so much as formerly, are more accepting of group harmony as a goal, more tolerant of diversity and aware of other cultures.

Although Romans who had been adopted into a new family usually retained their old nomen in cognomen form ( e. g. Octavianus for one who had been an Octavius, Aemilianus for one who had been an Aemilius, etc.

Although works of precious gems and metals usually do not survive the ravages of time, some fine pieces of Assyrian jewelry were found in royal tombs at Nimrud.

Although variations of the blood supply to the adrenal glands ( and indeed the kidneys themselves ) are common, there are usually three arteries that supply each adrenal gland:

Although players usually use their sticks to move the ball around, they may use any part of their bodies other than their heads, hands or arms and may use their skates in a limited manner.

Although nude men were depicted standing upright, most depictions of female nudity in Greek art occurred " usually with drapery near at hand and with a forward-bending, self-protecting posture ".

Although not always seen, her mourning call is heard, usually at night when someone is about to die and usually around woods.

Although Douglas was always second billed under Lancaster in these films, their roles were usually more or less the same size with the exceptions of I Walk Alone, in which Douglas played a villain, and in Seven Days in May, where Douglas ' part was larger than Lancaster's but not as dramatic.

Although these two are often considered interchangeable, compilers and execution environments usually assign different signals to these.

Although he is usually credited with coining the phrase, he always insisted that it was suggested to him by somebody else.

Although cadmium usually has an oxidation state of + 2, it also exists in the + 1 state.

Although organizational communication, as a field of study, is usually geared toward companies and business groups, these may also be seen as communities.

Although the best treatment for comatose patients remains unknown, hospitals usually place comatose patients in an Intensive Care Unit ( ICU ) immediately.

Although one of his brothers became a clergyman and one of his sisters a missionary, Attlee himself is usually regarded as an agnostic.

Although all group 16 elements of the periodic table, including oxygen, are defined as chalcogens, oxygen and oxides are usually distinguished from chalcogens and chalcogenides.

Although it is usually translated as " element ", the Chinese word xing literally means something like " changing states of being ", " permutations " or " metamorphoses of being ".

( Although mutual orthogonality is the only condition, these vectors are usually constructed for ease of decoding, for example columns or rows from Walsh matrices.

Although production was usually about 57, 000 – 59, 000 tons annually in the 1980s, the acreage harvested declined from in the early 1980s to in 1999, indicating a greater yield per acre.

Although The Moonstone is usually seen as the first detective novel, a number of critics suggest that the lesser known Notting Hill Mystery ( 1862 – 63 ), written by the pseudonymous " Charles Felix ", preceded it by a number of years and first used techniques that would come to define the genre.

Although Tacitus is usually considered to be the most reliable author of this era, his views on Domitian are complicated by the fact that his father-in-law, Gnaeus Julius Agricola, may have been a personal enemy of the Emperor.

Although not usually stated in polynomial form, this example is equivalent to the polynomial equation 4xyz = yzn + xzn + xyn = n ( yz + xz + xy ).</ td >

Although usually trivalent, europium readily forms divalent compounds.

Although sunlight is free and abundant, solar electricity is still usually more expensive to produce than large-scale mechanically generated power due to the cost of the panels.

Although ephemeris time was defined in principle by the orbital motion of the Earth around the Sun, it was usually measured in practice by the orbital motion of the Moon around the Earth.