The process in which two or more populations accumulate genetic changes (mutations) through time.
the operator which maps a function F=(F₁, ... Fₙ) from a n-dimensional vector space to itself to the function ∑ᵢ₌₁ⁿ(∂F_i)/(∂x_i)
The degree to which two or more things diverge.
The synthesis of theory and practice, without presuming the primacy of either.
The deliberate action of a rational being.
Custom or established practice.
An example or form of exercise, or a collection of such examples, for practice.
The practical application of any branch of learning.