Radioactive fossil dating definition

Peaks on the landscape correspond to genotypic frequencies at which the average fitness is high, valleys to genotypic frequencies at which the average fitness is low. adaptive logic: A behavior has adaptive logic if it tends to increase the number of offspring that an individual contributes to the next and following generations.

adaptive landscape: A graph of the average fitness of a population in relation to the frequencies of genotypes in it.

allometry: The relation between the size of an organism and the size of any of its parts.

For example, an allometric relation exists between brain size and body size, such that (in this case) animals with bigger bodies tend to have bigger brains.

Amphibian larvae are aquatic, and have gills for respiration; they undergo metamorphosis to the adult form.

Most amphibians are found in damp environments and they occur on all continents except Antarctica.

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artifact: An object made by humans that has been preserved and can be studied to learn about a particular time period.

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  1. No record of autonomous counts of Artois has been identified between the late 9th and early 13th centuries until the installation of Robert, son of Louis VIII King of France, as Comte d'Artois in 1237.