Answer:
Mutualism
Explanation:
When the two different population species interact in such a manner that it is beneficial to each other, then this form of interaction is called mutualism.
Over population if i recall correctly
Answer: In diagram B, the magma here is observed to be within the crust and could not come out to the surface. This signifies that the hot, rising magma, suddenly cooled down forming a huge block of mass which is considered to be an intrusive igneous body. It can be a batholith, lacolith or a pluton. This type of body is formed due to the cooling and the consolidation of hot magma.