Which statement best describes the central nervous system?

a It senses stimuli and carries out a reaction.
b It secretes hormones.
c It is made up of all nerve cells.
d It is made up of the brain and the spinal cord.

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent