Match Column-I with Column-II. Select the opt | vedclass

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(D) The correct matches are as follows:$1$. Standing state refers to the amount of inorganic nutrients (like nitrogen,phosphorus,etc.) present in the

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$1-q, 2-r, 3-s, 4-p$

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(D) The correct matches are as follows:$1$. Standing state refers to the amount of inorganic nutrients (like nitrogen,phosphorus,etc.) present in the soil at a given time $(1-q)$.$2$. Pioneer species are the first organisms to colonize a previously bare area during ecological succession $(2-r)$.$3$. Detritivores are organisms that break down detritus into smaller particles (e.g.,earthworms) $(3-s)$.$4$. Standing crop refers to the total mass of living material (biomass) present in an ecosystem at a given time $(4-p)$.Therefore,the correct combination is $1-q, 2-r, 3-s, 4-p$.

List-$I$	List-$II$
$a$. Carbon dissolved in oceans	$i$. $55$ billion tons
$b$. Annual fixation of carbon through photosynthesis	$ii$. $71 \%$
$c$. $PAR$ captured by plants	$iii$. $4 \times 10^{13} \ kg$
$d$. Productivity of oceans	$iv$. $2$ to $10 \%$

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$1$. Standing state	$p$. Mass of living material at a given time
$2$. Pioneer species	$q$. Amount of nutrients in the soil at a given time
$3$. Detritivores	$r$. Species that invade a bare area
$4$. Standing crop	$s$. Breakdown detritus into smaller particles