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Adaptive radiation refers to the evolution of different species from a common ancestor, each adapting to different environments.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Adaptive Radiation and Biological Evolution
Adaptive radiation describes rapid diversification of single ancestor into many forms exploiting different ecological niches, driven by ecological opportunity, such as Darwin's finches evolving varied beaks for seeds, insects and cactus, or cichlids in African lakes. It involves divergent evolution, morphological innovation and often occurs after colonization or mass extinction. Homologous structures reflect common ancestry. Classic example illustrates Divergence into niches as diversification from common ancestor into distinct niches. This concept integrates genetics, ecology and molecular ev
Ref: Hartl & Clark, Principles of Population Genetics, Drift and Effective Size.
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