निम्नलिखित में से किस पारिस्थितिकी तंत्र की शुद्ध प्राथमिक उत्पादकता (net primary productivity) सबसे अधिक होती है?

Which of the following is an example of a lotic (moving water) freshwater ecosystem?

Which one of the following ecosystems is generally characterised by the highest net primary productivity per unit area?

In which ecosystem do coral reefs play a vital role in supporting diverse marine life?

Which three of the following animals are naturally found in India's arid and desert ecosystems (such as the Thar Desert or Rann of Kutch)? a) Blackbuck b) Asiatic Lion c) Chinkara d) Indian Wild Ass

In a marine ecosystem, which of the following organisms functions as a primary producer?

Which ecosystem, once covering more than 14% of the Earth's land surface, has been reduced to less than 6% primarily due to anthropogenic activities?

What are water-based biomes collectively called?

Which among the following options is an example of a natural coastal wetland?