SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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exoskeletons
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sections
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segments
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tubes
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Detailed explanation-1: -The body of an earthworm is divided into 100-120 similar segments, i.e. metameres .
Detailed explanation-2: -The body is divided into three segments with respect to clitellum-preclitellar, clitellar and postclitellar. Earthworms are hermaphrodites i.e., they carry both male and female sex organs.
Detailed explanation-3: -The body of an earthworm is made up of approximately 100-120 segments. Each segment has muscles and bristles, known as setae, that help in the movement.
Detailed explanation-4: -The periproct is the last segment of an earthworm. Setae. Each segment, except the first and last, have tiny bristle-like structures called setae. These structures help the earthworm to move and act to sense the environment. The number and arrangement of setae are important clues to the identification of earthworms.]
Detailed explanation-5: -The body of an earthworm is divided into almost 100-120 segments. These segments are similar to each other and are present along the longitudinal axis of the body. Each segment is known as the metamer and the segmentation is known as metameric segmentation.