They were mist likely following food sources.
Answer:
Hotspots Within Oceans
Explanation:
As the tectonic plates move above a hotspot, they form a chain of volcanoes. The islands of Hawaii formed over a hotspot in the middle of the Pacific plate. The volcanoes are massive shield volcanoes that together create the islands.
Answer:
I would say this is niche partitioning.
Explanation:
Every organism has a certain range of requirements called a niche. The competitive exclusion principle states that two organisms cannot occupy the exact same niche without one out-competing the other. Niche partitioning is basically changing some aspects of a niche so that there is no need for competition.