- 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 period between conception and birth during which an unborn young is within its mother's uterus. Pregnancy is another word for gestation.
Industry:Anthropology
The period of time when female animals are sexually excited and receptive to mating. Estrus occurs around the time of ovulation in many species.
Industry:Anthropology
The mass number of one atom of an isotope (e. G. , carbon-14). It is the sum of the number of protons and neutrons in the nucleus of one atom. See atomic number.
Industry:Anthropology
The phylum of animals that is characterized by elongated bilaterally symmetrical bodies. In some phase of their life cycle, they have a notochord and gill slits or pouches. Chordates also often have a head, a tail, and a digestive system with an opening at both ends of the body. The Chordata include fish, amphibians, reptiles, birds, mammals, and 2 invertebrate subphyla (tunicates and lancelets).
Industry:Anthropology
The physical form or structure of an organism or another object. Species are usually identified from the fossil record based on morphological traits.
Industry:Anthropology
The plural of subphylum (the level of classification immediately below phylum and above class in the Linnaean classification system).
Industry:Anthropology
The point on the northern extremity of the earth where the axis of rotation is located. Compared to the magnetic north pole, the rotational one is relatively stable.
Industry:Anthropology
The position on a chromosome where a given gene occurs. The term is sometimes used interchangeably with gene, but this usage is technically incorrect.
Industry:Anthropology
The process by which amino acids change from the L-molecule form to their mirror image D-molecule form. This occurs naturally following the death of cells. See amino acid racemization dating.
Industry:Anthropology
The process by which individual organisms respond to environmental stresses during their lifetime without changing genetically. Adjustments are generally not inheritable. Acclimatization and developmental adjustment are examples of adjustment. See adaptation.
Industry:Anthropology
