SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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gizzard
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crop
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clitellum
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segment
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Detailed explanation-1: -Each worm has both male and female organs. Worms mate by joining their clitella (swollen area near the head of a mature worm) and exchanging sperm. Then each worm forms an egg capsule in its clitellum.
Detailed explanation-2: -earthworms. … 32 and 37 is the clitellum, a slightly bulged, discoloured organ that produces a cocoon for enclosing the earthworm’s eggs.
Detailed explanation-3: -The clitellum is a swelling of the skin and can only be seen in earthworms that are ready to reproduce. It may be white, orange-red or reddish-brown in colour. Earthworms are ready to mate when their clitellum is orange. Most of the material secreted to form earthworm cocoons is produced within the clitellum.
Detailed explanation-4: -plural clitella klī-ˈte-lə : a thickened glandular section of the body wall of some annelids that secretes a viscid sac in which the eggs are deposited.
Detailed explanation-5: -The segments 14-16 are covered by a prominent dark band of glandular tissue called clitellum.