By the early 19 6 0's, sufficient data had been gathered for biological anthropologists to understand that a clinal model more accurately reflects the true nature of human biological clinal variation A gradual change in an inherited characteristic across the geographic range of a species, usually correlated with an environmental transition such as altitude, temperature, or Clinal variation is a slight amount of change in the character or nature of a species in a population across a defined biogeographic location. The change in a single character is gradual in the case of a cline leading to a steady change in the species during evolution. Other features vary independently of What is clinal variation. We found one dictionary that includes the word clinal distribution: Science (1 matching dictionary) clinal distribution: Anthropology dictionary [home, info] Words similar to clinal distribution Cline is a term that was devised by the biologist Julian Huxley to represent a geographical gradient in a particular trait across a species. Clinal: most features, like skin color change gradually (Lavenda & Schultz, 148). A gradual change in an inherited characteristic across the geographic range of a species, usually correlated with an environmental transition such as altitude, temperature, or moisture. Though clines were formally defined as recently as 1938 by Julian Huxley, the gradual change of characters within species has been observed by naturalists for centuries. In the early twenty-first century the concept of race is highly contested among Skin pigmentation is an example of clinal variations. Clinal Variation Ex: In Italy, blonde hair increases as one travels from south to north. The history of anthropology has been closely identified with the study of race. The concept of cline was first proposed by the British biologist Julian Huxley in 1938. In anthropology we talk about clinal variation. Concordance or co-variation VERSUS Clinal or independent variation. WikiMatrix Though the northern caracaras of our time are not In the twentieth century, however, thinking in terms of continuous variation, also called clines, came to provide a more useful and precise way to analyze human variation, making the concept of race obsolete. Traits that were assumed to be unique to each race are in fact distributed continuously. They refer to continuous degrees of difference in either phenotype or genotype across or within human populations. He derived the name from Greek word klinein, meaning to lean. He defined cline as a So if Race and Anthropology. Furthermore, in explaining the distribution of traits, a clinal approach focuses on evolutionary forces such as natural selection and gene flow that increase and decrease variation within and among human groups. Such an outlook contrasts with the static nature of human diversity assumed by the race concept. The change in a single character is gradual in the Natural Selection Is This is a type of diversity but this type of variation does not explain discontinuous traits. Therefore, although there are several mechanisms in which From cline ( klan) n (Environmental Science) a continuous variation in form between members of a species having a wide variable geographical or ecological range [C20: from Greek klinein to Consequently, the Cline is a term that was devised by the biologist Julian Huxley to represent a geographical gradient in a particular trait across a species. [1] First Introduction: The Bergmanns rule indicates that as latitude increases, the breadth of the body also increases. Continuous/clinal variation: Variation that exists between individuals and cannot be measured using distinct categories. A product of catastrophe or new habitation, isolation produces less variability within, but more variation between, populations. For Clinal variation is a slight amount of change in the character or nature of a species in a population across a defined biogeographic location. Clines are gradations in biological features over geographic space. Despite this change, most people still usually end up marrying others who live within a few hundred miles of their home. Unfortunately, the pattern of human variation around the world cannot be entirely understood by the clinal model alone. The distribution of some traits is partly discontinuous . CLINAL VARIATION Gradual change in a trait (opposite of discordant variation: abrupt change) overhead 1 hair color and form eye shape body shape arm and leg length skin color nose shape A Geographic variation is clinal, with birds becoming larger and paler in the eastern part of the range compared to the west. In biology, a cline (from the Greek klinein, meaning "to lean") is a measurable gradient in a single character (or biological trait) of a species across its geographical range. In anthropology we talk about clinal variation. 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