B. animals
Plants have cell walls, bacteria are unicellular and fungi have cell walls too
Depolarization and repolarization are part of the action potential.
C. Action potential
It sends an impulse back to the cell body of a neuron
" As we follow along on a cladogram, it will split at nodes into two or more internodes a specitation event (the formation of new species). The line between two specification events, the internode, represents at least one hypothetical ancestor."
Answer:
yes
Explanation:
otherwise the egg will die and the period will start