A train Covers a distance of 480 mi. In 8 hours. If it travels at a constant speed, how fast is it traveling?

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

How had the study of mitosis affected scientists knowledge of cancer

Cells tend to have a relatively small and uniform size. why aren’t cells larger?