Answer: snakes and smaller mammals
Explanation:
Export and import of solid particles though the membrane (endo/exocytosis)
Based on your religion, you may be told that any nonbelievers will go to a bad place; Hell, the Underworld, left to roam the world of the living never to pass on to the next life, etc. As an Evolutionist or Atheist, I don't know what happens to me when I die. I belive my body will remain on this earth (unless I get my body shipped off world into space for disposal lol), while my mind and conciousness fades away.
Answer:
The cnidarian has a much simpler neural system system (neural net of nerve cells), with it's only goal to find food and survive, compared to the more brain-like (ganglia and brain) structure of the mollusk who needs to be able to hide from predators and prey as well as get away as quick as possible to ensure to survival.
Explanation:
I don't know if it's 100% right but its the best I could do. Hope it helps!
The correct answer is electrons. Hope I helped!