New research reveals key factors behind the changing sizes of certain animals over time, challenging traditional evolutionary theories with its findings on species ’ size variations.
The mystery behind why Alaskan horses, cryptodiran turtles, and island lizards shrunk over time may have been solved in a new study.
The new theoretical research proposes that animal size over time depends on two key ecological factors: the intensity of direct competition for resources between species, and the risk of extinction from the environment.
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