Which of the following is true concerning pastoralism

How is an environment able to support different varieties of organisms?

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.

What did hunter gathers do to alter the environment?