To function properly a neuron must maintain a a- membrane potential b- neurotransmitter c. negative charge on the inside d. positive charge on the inside i believe its is that correct?

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?