Which of the following is present in maximum amount in atmosphere
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Deciduous forests are mainly found in region where annual precipitation ranges between
Climax stage is achieved quickly in secondary succession as compared to primary succession. Why ?
Cycling of elements in an ecosystem is called
Write important features of a sedimentary cycle in an ecosystem.
The biodiversity increases when one moves from the pioneer to the climax stage. What could be the explanation ?