question_answer 1)

Fill in the blanks : (a) Plants are called as ____because they can fix carbon dioxide. (b) In ecosystem dominated by trees, the pyramid (of number) is ___ type. (c) In aquatic ecosystems, the limiting factor for the productivity is____ (d) Common detritivores in our ecosystem are____ (e) The major reservoir of carbon on Earth is  

Answer:

(a) Autotrophs (producers); (b) Spindle-shaped; (c) Light; (d) Bacteria, fungi, etc. (e) Ocean.