What macroevolutionary event can cause a catastrophic reset leading to dramatic adaptive radiations?
Answer
Mass extinction.
Mass extinctions act as severe environmental filters, eliminating entire functional groups and leaving behind massive ecological vacuums that surviving lineages rapidly fill.
Related Questions
What is the definition of adaptive radiation?What is the most frequently cited primary trigger for an evolutionary radiation event?What concept is a critical component of ecological opportunity?Which factor is cited as combining on an island to trigger radiation in colonizing species?What does a key innovation fundamentally unlock for a lineage?What macroevolutionary event can cause a catastrophic reset leading to dramatic adaptive radiations?What is the driving force behind the splitting of lineages during an adaptive radiation?In geographically isolated settings like archipelagos, which speciation mechanism is common?According to the provided table, which trigger mechanism generally results in the fastest observable diversification rates?When does the rate of new species formation slow down to the background rate during a radiation?What geological feature can effectively create an 'island' inland, leading to internal adaptive radiation?