(D) In an ecosystem,organisms are classified based on their food source. Producers (plants) are at the first trophic level. Herbivores,which feed dire

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(D) In an ecosystem,organisms are classified based on their food source. Producers (plants) are at the first trophic level. Herbivores,which feed directly on producers,are known as primary consumers. They are also referred to as 'key industry animals' because they convert plant biomass into animal biomass,which is then available to higher trophic levels (carnivores).

Class 12 Biology Ecosystem Mix Examples- Ecosystem

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Herbivores are called

A
Primary consumers
B
Secondary producers
C
Key industry animals
D
All the above

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Class 12 Questions

Class 12

Biology Questions

Chapter

Ecosystem

Subtopic

Mix Examples- Ecosystem

The equilibrium of the species is disturbed by

Medium

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Identify the mismatched event from the following structures.

Medium

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Match the List-$I$ with List-$II$:

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 $10 \%$

Choose the correct answer from the options given below:

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 $10 \%$