Title: वैकल्पिक

Text: An aquatic ecosystem is comprised of many different factors. A primary difference between the different factors are whether or not they are considered biotic or abiotic. Some abiotic factors of aquatic ecosystems include the depth, clarity, pH, turbidity, salinity, temperature, amount of dissolved oxygen, amount of sunlight and the types of dissolved nutrients inside ecosystem. Three primary zones are present in the water, and they are characterized by the type of flora and the level of sunlight. प्रत्येक पराग्राफले परीक्षण हुनेछ।

Save test: यदि तपाईं यो टाइपिङ परीक्षणलाई साझा गर्न चाहानुहुन्छ भने यो प्रयोग गर्नुहोस् (केवल प्रमाणीकृत प्रयोगकर्ताहरूको लागि)।