ANSWER ( Convergent plate boundaries )
At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
They use their resources and habitats around them to survive.
The colony would have less genetic variation. The Bacteria in the colony would be too genetically similar
Greek and plomety......................