How has evolution led to increasing cephalization and specialization in animal nervous system?

Atissue is a group of connected cells that have a similar function within an organism.

It was said to have happened by earthquakes, the shifts in the tectonic plates moved everything 

No you are not wrong

Volcanoes make new rocks so not ahotspots are the the stuff that makes volcanoes mid atlantic ridge(mar cause i’m lazy) is a constructive plate boundary so it makes sense that new rocks would be found near it, also the mar is in the middle of the ocean so it fits the description deep ocean trench, umm, there’s no ocean trenches to where you’re goingso the mar is most likely the answeri wouldn’t trust me but hey why not