1
Question
Identify ‘A’ in the following chain:
Plant→ Insect→ Frog→ “A”→ Eagle
Identify ‘A’ in the following chain:
Plant→ Insect→ Frog→ “A”→ Eagle
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Solution
The correct option is A Cobra
Food chain
The sequence of the energy flow in the ecosystem is studied in the form of a food chain with various trophic levels (nutritional status) and is as follows:-
Producers (plant) → Primary consumers → Secondary consumers
In the given chain plant is the producer, the insect is the primary consumer, the frog is the secondary consumer, the organism “A” is the tertiary consumer, and the eagle is the quaternary consumer.
Role of organism “A” in the food chain
Organism “A” is a tertiary consumer eating the frog and it gets eaten by the eagle.
Position of rabbit and parrot in the food chain
Rabbit and Parrot are primary consumers in any food chain as they depend upon plants for food. Therefore, they cannot be organism “A”.
Position of cobra in the food chain
Cobra can eat frogs and can be preyed on by eagles. Therefore, cobra is a tertiary consumer and is identified as organism “A”.
Position of the wolf in the food chain
Wolves are secondary consumers feeding on herbivores like deer. They usually do not prey on frogs and eagles are not their natural predators. Therefore, a wolf is not the organism “A”.
Final answer
c. Cobra
Food chain
The sequence of the energy flow in the ecosystem is studied in the form of a food chain with various trophic levels (nutritional status) and is as follows:-
Producers (plant) → Primary consumers → Secondary consumers
In the given chain plant is the producer, the insect is the primary consumer, the frog is the secondary consumer, the organism “A” is the tertiary consumer, and the eagle is the quaternary consumer.
Role of organism “A” in the food chain
Organism “A” is a tertiary consumer eating the frog and it gets eaten by the eagle.
Position of rabbit and parrot in the food chain
Rabbit and Parrot are primary consumers in any food chain as they depend upon plants for food. Therefore, they cannot be organism “A”.
Position of cobra in the food chain
Cobra can eat frogs and can be preyed on by eagles. Therefore, cobra is a tertiary consumer and is identified as organism “A”.
Position of the wolf in the food chain
Wolves are secondary consumers feeding on herbivores like deer. They usually do not prey on frogs and eagles are not their natural predators. Therefore, a wolf is not the organism “A”.
Final answer
c. Cobra
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