- 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 ...
The biological sciences use the terms dorsal, ventral, anterior, and posterior to refer to direction within the body of a bilaterally symmetrical organism. Body parts on the sides of a body are referred to as being lateral. If something is along the longitudinal midline of a body, it is medial.
Industry:Anthropology
The belief that all species were created as they are today and that they have not undergone any evolution since then. This view is usually based primarily on the Book of Genesis in the Judeo-Christian Bible. Most creationists also believe that the Earth is very young (typically about 6,000 years old). In the U. S. Creationism is the basis for what has become known as "creation science. "
Industry:Anthropology
The basic building block of nucleic acid. It consists of any one of four specific purine or pyrimidine bases attached to a ribose or deoxyribose sugar and phosphate group.
Industry:Anthropology
The assumption that if two objects are found in their primary context in the same strata of a site, they very likely date to the same time period.
Industry:Anthropology
The assumption that if there are layers in a sedimentary deposit, those laid down first will be on the bottom and those laid down last will be on the top. This is the basis of using stratigraphy as a relative dating method.
Industry:Anthropology
The amount of time for half of the atoms of a radioactive element in a sample to decay, or fission. The reduction in the number of atoms follows a geometric scale--at the end of 2 half-lives, there are 1/4 of the atoms left; at the end of 3 half-lives, there are 1/8 remaining; etc.
Industry:Anthropology
The adult male and female members of a community who are at the top of their gender based dominance hierarchies. Non-human primate alpha males and females usually mate more frequently and have greater access to food.
Industry:Anthropology
The abnormal expression of a trait in the phenotype of an individual resulting from the presence of extra chromosomes or copies of the genes responsible for the trait. For example, Down syndrome traits are likely the consequence of inheriting three chromosome 21's instead of the usual two. Apparently, the genes on the extra chromosome are also expressed.
Industry:Anthropology
The ability to see things in three dimensions (3-D). Stereoscopic vision is what allows for true depth perception. See peripheral vision and binocular vision.
Industry:Anthropology
The ability to physically grasp something. All primates have prehensile hands. With the exception of humans, they all also have effective prehensile feet. The larger New World monkeys (Cebidae) have prehensile tails as well. Some marsupials living in the eastern islands of Indonesia and New Guinea also have this characteristic.
Industry:Anthropology
