Mutualism
Explanation: a relationship between two species of organisms in which both benefit from the association.
Hypertonic would be the correct answer, there is more solute making the cell let out more water, shrinking the cell, therefore being hypertonic.
Symbiosis can vary between mutualism, parasitism, and commensalism, tho these grade into each other, it is often difficult to tell which is involved in a given relationship.
Answer:
Atoms combine when their electrons are shared or transferred
