Which of the following would be considered an adaptive radiation? A new island forms and many different species from neighboring islands colonize it, filling the open niches When two species of lizards colonize a new island, one adapts to living in the tops of trees while the other adapts to living on twigs A bee species colonizes a new island, then diversifies quickly into many species each specialize on different local flower species A single bird species colonizes a new island and continues its same food source.