verb
To move (something) in regular procession through a system.
To change or transform (something).
To cause (something) to come into being or develop.
Of a population: to acquire or develop (a trait) in the process of biological evolution.
To cause (a population, a species, etc.) to change genetic composition over successive generations through the process of evolution.
To give off (a gas such as carbon dioxide or oxygen) during a chemical reaction.
To wind or unwind (something).
To move in regular procession through a system.
To change, to transform.
Of a trait; to develop within a population through biological evolution.