the answer to your question is false
Mid-Ocean Ridges it’s because they are mostly produced near the “ring of fire” cause the ridges are volcanically active!
It is called Commensalism.
The shark is neither harmed or benefited but the remoras get the benefit of this relationship without harming the shark.
Anthropologist use the term Enculturation to refer to the process of learning your culture, ordinarily as a child.