Carbon constitutes ______ of dry weight of organism and ______ percentage is dissolved in oceans out of total global carbon.
$49\;\%, 71\;\%$
$71\;\%, 49\;\%$
$49\;\%, 49\;\%$
$71\;\%, 71\;\%$
$49\;\% \;and\; 71\;\%.$
The biodiversity increases when one moves from the pioneer to the climax stage. What could be the explanation ?
A treeless biome is
What is studied under the ‘‘microcosm’’
What is wrong about xerophytes
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