The evolution of a number of new species from one or a few ancestor species over many thousands or millions of years. Normally occurs after a mass extinction creates a number of vacant ecological nich [..]

The emergence of numerous species from a common ancestor introduced into an environment, presenting a diversity of new opportunities and problems.

process in which many species develop from the same ancestral species to fill a variety of different roles in the environment.

the evolution of many new species from a relative handful of ancestor species. It often happens after some kind of catastrophe empties a range of ecological niches simultaneously.

Evolutionary divergence of members of a single phylogenetic lineage into a variety of different adaptive forms; usually the taxa differ in the use of resources or habitats, and have diverged over a re [..]

Evolutionary diversification that produces numerous ecologically disparate lineages from a single ancestral one, especially when this diversification occurs within a short interval of geological time. adaptive value

Adaptive radiation is the diversification of a species as it adapts to different ecological niches. If successful, the species become specialized for the new environments (the mechanism being natural [..]

  The evolution of new forms, sub-species or species from one species of plant or animal in order to exploit new habitats or food sources. a.k.a. divergent evolution.

The assumed development or evolution of a variety of descendant species adapted to different ways of life, from a single ancestral species.

the evolution of a group of related organisms into different types, each fitted for a different way of life.

Diversification of a single lineage into species that exploit diverse ecological niches.

the evolutionary diversification of an ancestral population into several descendant populations, each adapted to a different ecological niche.

the evolution of of species adapted to different ecologies and behaviors. For example, aerial specialists like Tree Swallows have evolved tiny feet and short legs, while ducks have webbed feet to enab [..]

rapid speciation and diversification of a group into unoccupied ecological niches.

Multiplication of species from a single phyletic line into a series of closely related taxa occupying different niches or adaptive zones.

<chemistry> The evolution of new speciesor sub-species to fill unoccupied ecological niches. (06 May 1997)

The divergence of several new types of organisms from a single ancestral type.

Evolutionary divergence of members of a single phylogenetic lineage into a variety of different adaptive forms; usually the taxa differ in the use of resources or habitats, and have diverged over a relatively short interval of geological time. The term evolutionary radiation describes a pattern of rapid diversification without assuming that the dif [..]

period of time (usually millions of years) during which numerous new species evolve to fill vacant and new ecological niches in changed environments, usually after a mass extinction.

The rapid speciation of a single or a few species to fill many ecological niches; an evolutionary process driven by mutation and natural selection. It often occurs when a species arrives in a new ecos [..]

closely related species that look very different, as a result of having adapted to widely different ecological niches.

(biology) The diversification of species into separate forms that each adapt to occupy a specific environmental niche.