- 行业: Education
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Founded in 1946, Palomar College is a public two-year community college in the city of San Marcos, located in north San Diego County, California. Palomar offers over 300 associate degree, certificate programs and is designated by the U.S. Department of Education as an Hispanic-Serving Institution ...
Suelo permanentemente congelado. Esta es una condición común por encima del Círculo Polar Ártico y en otros ambientes igualmente fríos.
Industry:Anthropology
Laying partly curled on one's side with the legs and arms bent and held into the body.
Industry:Anthropology
Lateral and/or vertical movement of segments of the earth's crust. The continents and the ocean floors consist of tectonic plates that are moving relative to each other. On average, such movements are about 1 inch per year.
Industry:Anthropology
Lamarck's theory that evolution occurs as a result of an organism acquiring a change in form due to using or not using particular body parts during its lifetime and then passing the new trait on to its offspring. This is also referred to as the "use-disuse theory. "
Industry:Anthropology
Materiales inorgánicos, de origen natural, compuestos por elementos específicos. Por lo general son rocas con una estructura cristalina característica y otros rasgos físicos identificables. El cuarzo, el talco y la sal de mesa son ejemplos de minerales.
Industry:Anthropology
Patrones de herencia que se pueden explicar por simples reglas de dominancia y recesividad de los genes.
Industry:Anthropology
Increased health of individuals who are the result of negative assortative mating, or crossbreeding. This is due to the fact that when mates are from very different genetic lines they are more likely to have lower frequencies of homozygous recessive conditions. Subsequently, they are liable to be more viable. This phenomenon has also been referred to as hybrid vigor.
Industry:Anthropology
Incisor teeth that have a "scooped out" appearance on the tongue side. This pattern is characteristics of East Asian and Native American Populations today. It was also common among Homo erectus.
Industry:Anthropology
Identical twins. Twins that come from the same zygote and are, subsequently, the same genetically in terms of their nuclear DNA. Any differences between monozygotic twins later in life are mostly the result of environmental influences rather than genetic inheritance. Fraternal twins may look similar but are not genetically identical. Monozygotic twins may not share all of the same sequences of mitochondrial DNA. This is due to the fact that the mitochondria in a cell may have somewhat different versions of DNA, and the mitochondria can be dispersed unequally when a zygote fissions. Female monozygotic twins can also differ because of differences between them in X-chromosome inactivation. Subsequently, one female twin can have an X-linked condition such as muscular dystrophy and the other twin can be free of it.
Industry:Anthropology
Altamente doblado durante mucho tiempo las estructuras de la membrana en el citoplasma de las células. Son los ribosomas implicados en la síntesis de proteínas en la superficie de estos cuerpos.
Industry:Anthropology
