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प्रश्न
Answer in detail.
Write a short note on annelids.
उत्तर
Annelids are invertebrates which include segmented worms. They are found in moist soil and pond water. They have a soft, cylindrical, and bilaterally symmetrical body. Their body surface is marked into ring-like compartments called segments that help in movement. They have a special organ of excretion called nephridia.
Examples: Leech and earthworm.
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