The brain and spinal cord are known as the central nervous system (cns). the spinal cord contains nerves that send information to and from the brain. the is a bundle of nerve tissue at the base of the brain that connects the cerebrum to the spinal cord and sends messages between different parts of the body and the brain.

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

What do all of the above organisms have in common