Biodiversity impacts the environment and its stability because one organism depends on the other to survive, it is call the food change. The more biodiversity the healthier the environment.
Shelter: an ecosystem will only provide a certain amount of shelter for its organisms.
Competition: it will be determine by the amount of food available in that ecosystem.
Food: the amount of food available will be a factor on the population an ecosystem will be able to maintain.
Predators: there have to be a balance between predators and prey or food available.
Disease: It will affect the number and health of all the organisms living in the ecosystem.