There are several abiotic factors that limit ecosystem growth, including temperature, precipitation, sunlight, soil configuration, and soil nutrients.May 19, 2009
The answer is ileocecal sphincter
If you mean a specific system then the reproductive system...but i haven't the slightest idea as to anything else to do with your question...
Its called invasive species one example is the lion fish it rooms around the east cost of north America overpopulation harms the ecosystem
