Question

Mention any 3 points between Aquatic ecosystem and Terrestrial ecosystem.

Answer 1

S.No.	Aquatic Ecosystem	Terrestrial Ecosystem
(i)	Aquatic ecosystem exists on water covering 71 % of the earth surface.	ecosystem exists on land covering 29% of the earth surface.
(ii)	Aquatic animals use 20% of energy to obtain oxygen.	Terrestrial animals use only 1-2% of energy to obtain oxygen.
(iii)	In this ecosystem there is abundant of Water with limited oxygen supply.	In this ecosystem there is less availability of water, greater availability of gases and temperature fluctuation.