An important step in the evolution of cells from vesicles was the evolution of self-replicating molecules
organic molecules
covalent bonding
hydrogen bonding

Name the part of the the brain labeled "e".

According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons