Adap

tive

radi

atio

n Divergence

Different traits in closely related species

Common Ancestral species

many species adapted to different habitats

Ada

ptiv

e R

adia

tion

Ada

ptiv

e R

adia

tion

Anoles diversity is most striking in the Caribbean

Ada

ptiv

e R

adia

tion

Hawaiian honeycreepers

Variation in color and bill shape is related to their habitat and diet

Cichlid fish of the Great Lakes of Africa. “Species flocks” fill different ecological niches.

HOMOLOGOUS STRUCTURES

Front legs / arms of many animals have similar basic structures

Ada

ptiv

e R

adia

tion

Disappearance of dinosaurs led to the adaptive radiation of mammals

Vide

os Wolfe: Adaptive radiation