UPSC Prelims 2021·GS1·geography·ecology and environment

Which of the following are detritivores? 1. Earthworms 2. Jellyfish 3. Millipedes 4. Seahorses 5. Woodlice Select the correct answer using the code given below.

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Last updated 23 May 2026, 3:31 pm IST
  1. A1, 2 and 4 only
  2. B2, 3, 4 and 5 only
  3. C1, 3 and 5 onlyCorrect
  4. D1, 2, 3, 4 and 5

Explanation

Detritivores are organisms that feed on dead organic matter, including decaying plants and animals, and their waste products. They play a crucial role in decomposition and nutrient cycling. 1. Earthworms: These are classic examples of detritivores, consuming decaying organic matter in the soil and aiding in its breakdown and aeration. 2. Jellyfish: Jellyfish are typically carnivorous, preying on small fish, zooplankton, and other invertebrates. 3. Millipedes: Millipedes primarily feed on decaying plant matter, making them detritivores. 4. Seahorses: Seahorses are carnivores, feeding on small crustaceans and other tiny invertebrates. 5. Woodlice: Also known as pill bugs or sow bugs, woodlice feed on decaying wood and other plant debris, classifying them as detritivores. Therefore, earthworms, millipedes, and woodlice are detritivores.
geography: Which of the following are detritivores? 1. Earthworms 2. Jellyfish 3. Millipedes 4. Seahorses 5. Woodlice Select the co

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