Distinguish between:(a) Upright and inverted | vedclass

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(N/A) Upright and inverted pyramid      Upright pyramid    Inverted pyramid        $1$. The pyramid of energy is always upright.    $1$. The pyramid o

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(N/A) Upright and inverted pyramid

Upright pyramid	Inverted pyramid
$1$. The pyramid of energy is always upright.	$1$. The pyramid of biomass and the pyramid of numbers can be inverted.
$2$. In an upright pyramid,the number and biomass of organisms at the producer level is the highest,decreasing at each successive trophic level.	$2$. In an inverted pyramid,the number and biomass of organisms at the producer level is the lowest,increasing at each successive trophic level.

$(b)$ Food chain and Food web

Food chain	Food web
$1$. It is a single linear sequence of organisms showing the flow of energy.	$1$. It is a complex network of many interconnected food chains.
$2$. Members at higher trophic levels feed on specific,limited types of organisms.	$2$. Organisms have multiple alternative food sources,providing greater stability.

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 $10 \%$

Distinguish between:
$(a)$ Upright and inverted pyramid
$(b)$ Food chain and Food web

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Distinguish between:$(a)$ Upright and inverted pyramid$(b)$ Food chain and Food web