The diagram below represents the formation of a multicellular organism at different stages of early development. The stages are labeled A through E. The sperm and egg are labeled in stage. Identify the sexual reproductive process that is occurring at stage B. ​

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.