The up and down arrows you carved into the spinal cord are meant to represent the movement of different nerve signals. These signals, which are slso called action potential, are coordinated movements of sodium and potassium ions that are psocessed across the nerve cell membranes
"Species A and B are more closely related to each other than species Y and Z are to each other" is the one among the following that is <span>most likely true about these species. The correct option among all the options that are given in the question is the second option. I hope the answer has come to your help.</span>
Explanation:
Mark me brainliest if it helps you
nonliving and abiotic.
It would be in the <span>Neoproterozoic Era.</span>