8 Terms
Home > Industry/Domain > Archaeology > Evolution
Evolution
Of or pertaining to the change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species.
Industry: Archaeology
Add a new termContributors in Evolution
Evolution
photoreceptor cell
Archaeology; Evolution
A cell, functionally part of the nervous system, that reacts to the presence of light. It usually contains a pigment that undergoes a chemical change when light is absorbed. This chemical change ...
mitochondrion
Archaeology; Evolution
A kind of organelle in eukaryotic cells. Mitochondria produce enzymes to convert food to energy. They contain DNA coding for some mitochondrial proteins.
class
Archaeology; Evolution
A category of taxonomic classification between order and phylum, a class comprises members of similar orders. See taxon.
unequal crossing-over
Archaeology; Evolution
A crossing-over in which the two chromosomes do not exchange equal lengths of DNA; one receives more than the other.
heterozygosity
Archaeology; Evolution
(for most purposes) The proportion of individuals in a population that are heterozygotes.
radiometric dating
Archaeology; Evolution
A dating technique that uses the decay rate of radioactive isotopes to estimate the age of an object.
stabilizing selection
Archaeology; Evolution
A form of selection that tends to keep the form of a population constant. Individuals with the mean value for a character have high fitness; those with extreme values have low fitness.
