The green plants in an ecosystem which can trap solar energy to convert it into chemical bond energy are called

Distinguish between primary succession and secondary succession based on the following examples:
$I-$ Abandoned farmland
$II-$ Burned or cut forests
$III-$ Newly cooled lava
$IV -$ Bare rock
$V -$ Flooded lands
$VI -$ Newly created pond or reservoir
Identify the correct grouping for primary succession and secondary succession respectively.

Give two examples of artificial or man-made ecosystems. List the salient features by which they differ from natural ecosystems.

The movement of nutrients from non-living components to living components and back to non-living components in a cyclic manner is known as:

An ecosystem involves:

Which ones are the reservoirs of sulphur and carbon cycles respectively?