The word ‘‘ecosystem’’ was first coined by
Weaver and Clements
A.G. Tansley
E.P. Odum
By all the above
It’s obvious.
Under what conditions would a particular stage in the process of succession revert back to an earlier stage ?
$A$ : Niche become general and broader during biotic succession.
$R$ : Species diversity increases but organic matter is decreased.
$CO_2$ content of atmosphere has increased in the last $150$ years from
Which one of the following pairs is mismatched
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