Which part of the nervous system is made up of cells that send and receive tiny electrical charges? a. brain b. spinal cord c. neurons d. cerebellum

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin