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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
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Evolution
Fixation
Archaeology; Evolution
A gene has achieved fixation when its frequency has reached 100 percent in the population.
Cline
Archaeology; Evolution
A geographic gradient in the frequency of a gene, or in the average value of a character.
Pheromone
Archaeology; Evolution
A chemical substance produced by some organisms and emitted into the environment to communicate with others of the same species. Pheromones play an important role in the social behaviour of certain ...
Atomistic
Archaeology; Evolution
(as applied to theory of inheritance) Inheritance in which the entities controlling heredity are relatively distinct, permanent, and capable of independent action. Mendelian inheritance is an ...
Adaptive landscape
Archaeology; Evolution
A graph of the average fitness of a population in relation to the frequencies of genotypes in it. Peaks on the landscape correspond to genotypic frequencies at which the average fitness is high, ...
Monotremes
Archaeology; Evolution
A group (specifically, an order) of mammals whose females lay eggs. The young hatch and continue to develop in the mother's pouch, which is present only when needed. Two species of spiny anteater and ...