Exact(44)
But unexpectedly, evolution of chemical defences also increases extinction rates -- even above the rate of speciation.
"It looks like that region with the coral reefs has always had a very high rate of speciation.
As those niches have been filled, though, the rate of speciation should have slowed.
Global warming is the obvious mechanism by which elevated CO2 levels might cause increases in the rate of speciation, but our results are equivocal in this regard.
Another view posits that biological interactions or an inherently higher rate of speciation in some groups fostered the diversification.
The predicted distributions are independent of the rate of speciation, i.e. whether one adopts an gradualist or punctuated view of evolution.
Similar(16)
Given the species tree, we can estimate the rate of speciations per substitution in a straightforward way.
Rates of speciation in the fossil record.
Overall mean rates of speciation were significantly faster in Anophelinae than Culicinae.
We analysed global rates of speciation and extinction in a macroevolutionary framework using BAMM20.
Rabosky, D. L. et al. Rates of speciation and morphological evolution are correlated across the largest vertebrate radiation.
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