Some authorities have proposed a hypothesis of evolution in the Cyperaceae that is essentially the reverse direction of evolution to that presented above that is, that unisexual flowers were the primitive condition.
Regarding the third hypothesis, concerted evolution has long been thought to play a role in the evolution of immunoglobulin genes [ 57, 58].
-- No. Essentially all available data and observations from the natural world support the hypothesis of evolution.
Why should it be taboo even to raise the hypothesis that evolution has given people of African ancestry an athletic edge?
Mr. Wrangham also dismisses, for complicated social and economic reasons, the popular Man-the-Hunter hypothesis about evolution, which posits that meat-eating alone was responsible.
According to that hypothesis, the evolution of the brain was driven by the need to think.
Austin said that since these frogs hatch out as hoppers rather than tadpoles and live on the ground, their existence contradicts the hypothesis that evolution at large and small extremes is linked to life in water.
Hence the hypothesis that evolution will favor a particular form of stability, which automatically guarantees stability in combination.
We next applied the rate test of Lande (1977) to distinguish between the null hypothesis of evolution by random genetic drift from the alternative hypothesis of natural selection.
According to this hypothesis the evolution has started with an expansion phase involving active horizontal acquisition of virulence factors and gene duplication.
