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Adaptive radiation is the process by which a single lineage undergoes multiple speciation events to fill divergent ecological niches. This results in a cluster of phenotypically distinct, related species and often occurs after a physical disturbance or extinction event opens up new niches for exploitation.
Hawaiian endemic mints represent the second largest plant radiation in the archipelago. Here, the authors present a reference genome and numerous resequenced individuals to uncover evidence for polyploidy, geographic speciation and localized hybridization underlying diversification in this lineage
An ecometric study of carnivorous stem mammals across their heyday in the late Palaeozoic finds distinct shifts in their feeding anatomy that suggest increasingly dynamic behaviours and interactions, akin to modern mammalian predators.
An electrifying evolutionary radiation has evidently occurred among elephant fish in Africa's Ivindo basin. An implication is that open niches for communication can result in species diversification.
According to an innovative exercise in 'morphospace analysis', modern fish owe their stunning diversity in part to an ecological cleaning of the slate by the mass extinction at the end of the Cretaceous.
