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How Many Types of Nephridia Are Found in Earthworm Based on Their Location - Biology

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ConceptEarthworm Anatomy

Question

How many types of nephridia are found in earthworm based on their location?

Solution

In earthworm, nephridia are present in all segments except the first two. There are three types of nephridia on the basis of their location:

(a) Septal nephridia, present on both the sides of intersegmental septa from segment 15 to the last that open into intestine.

(b) Integumentary nephridia, attached to lining of the body wall of segment 3 to the last that open on the body surface and

(c) Pharyngeal nephridia, present as three paired tufts in the 4th, 5th and 6th segments

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APPEARS IN

 NCERT Solution for Biology Textbook for Class 11 (2018 to Current)
Chapter 7: Structural Organisation in Animals
Q: 2.2 | Page no. 122
Solution How Many Types of Nephridia Are Found in Earthworm Based on Their Location Concept: Earthworm - Anatomy.
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