News tagged with evolutionary models

Climate change models may underestimate extinctions

Predictions of the loss of animal and plant diversity around the world are common under models of future climate change. But a new study shows that because these climate models don't account for species competition ...

Jan 04, 2012
4.8 / 5 (8) 6 | with audio podcast

The mechanics of speciation

Mate choice, competition, and the variety of resources available are the key factors influencing how a species evolves into separate species, according to a new mathematical model that integrates all three factors to reveal ...

Jun 24, 2011
not rated yet 2

Mutations: When benefits level off

Beneficial mutations within a bacterial population accumulate during evolution, but performance tends to reach a plateau. Consequently, theoretical evolutionary models need to take into account a "braking effect" in expected ...

Jun 08, 2011
not rated yet 7