Answer:
Mutualism and commensalism helps in stability while parasitism damage the stability.
Step-by-step explanation:
Symbiosis helps in the stability of an ecosystem because both the organisms survive as a result of symbiosis. In symbiotic relationship such as mutualism and commensalism, both the organism survived and give benefits to each other while in parasitism, the one organism removed the other from the ecosystem which results in damaging the ecosystem stability.