What defines alpine ecosystems as distinct from other ecosystems nearby, such as the subalpine? (word limit 150)

Answer Explanation:

The main difference between the alpine ecosystems and other ecosystems is the the elevation at which it present, generally alpine ecosystems are present at the top of the mountain. It can be found at any latitude but elevation should be more as we know that temperature is inversely proportional to height so the temperature at alpine ecosystem is very low, due to very low temperature the survival of most of the plants as like scrubs is very difficult here this is the reason at alpine ecosystem there is very adverse condition for the growth of plants.

81 is a composite number.