The stratospheric ozone layer is important to ecosystems because it

The stratospheric ozone layer is important to ecosystems because it absorbs and scatter the Ultraviolet radiations.
The stratospheric ozone layer contains ninety percent of ozone that is present in the atmosphere, it plays a very important role to make this planet habitable for us. It absorbs Ultraviolet radiations and prevent them to reach earth. Ozone is a molecule and its formula is O₃.

The answer is c hope this

1. aspect is nothing really because the answer is right in front of your face