Explain why theories may be changed or replaced over time

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.

Which of the following typically characterizes a tropical rainforests

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement