EDUCATION UGC NET
ENVIRONMENTAL STUDIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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food chain
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carbon cycle
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sulphur cycle
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hydrological cycle
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Detailed explanation-1: -The correct answer is Food Chain. The repeated process of eating and being eaten in the ecosystem is known as a food chain.
Detailed explanation-2: -A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
Detailed explanation-3: -Ingestion is the process by which food is taken into the alimentary canal by mouth. Digestion is the process by which ingested (food) material is broken earlier stages of the alimentary canal into a form that can then be absorbed and assimilated into the tissues of the body.
Detailed explanation-4: -Predation is an interaction in which one organism, the predator, eats all or part of the body of another organism, the prey.
Detailed explanation-5: -A food chain in an ecosystem consists of producers, primary consumers, secondary consumers and decomposers. Here, the producer is grass and the first consumer is the insect. The insect is eaten by a bird, a secondary consumer and the bird is eaten by a snake, which is a tertiary consumer.