Identify the limitations of your carbon model in accounting for all of earths carbon

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

List two limitations of natural selection

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems