What dose nerve impulses carry from body to the spinal cord and brain

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 is the main purpose of a human community?

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles