EDUCATION UGC NET
ENVIRONMENTAL STUDIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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green plant
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wastes of organisms and dead organisms
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both of the above
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none of these
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Detailed explanation-1: -The correct answer is Dead organic matter. Detritus food chain is the type of food chain that starts with dead organic matter.
Detailed explanation-2: -Detritus food chain is the type of food chain that starts with dead organic materials. The dead organic substances are decomposed by microorganisms. The organisms that feed on dead organic matter or detritus, are known as detritivores or decomposers. These detritivores are later eaten by predators.
Detailed explanation-3: -Complete answer: The Detritus food chain (DFC) starts with detritus or dead organic matter.
Detailed explanation-4: -A detritus food chain occurs when microscopic organisms like bacteria or fungi consume dead organic waste. Snails, earthworms, and other detritivores eat this minute species.
Detailed explanation-5: -Green plants form the first trophic level, herbivores form the second trophic level and carnivores form the third and other trophic levels above it, in this food chain.