Question

2. Answer the following: (i) What is the function of nephridia? (ii) How many types of nephridia are found in earthworm based on their location?​

Answer 1

Answer:

Explanation:

(i) The nephridium (plural nephridia) is an invertebrate organ, found in pairs and performing a function similar to the vertebrate kidney (which originated from the chordate nephridia). Nephridia remove metabolic wastes from earthworm's body.

(ii) On the  basis of location there are three types of nephridia;

1. Septal
2. Integumentary
3. Pharyngeal

Answer 2

Answer:

They function as osmoregulation for the entire body. > Types of nephridia based on location in the earthworm body are Septal, Integumentary and Pharyngeal. Septal nephridia are present on the both sides of the inter-segmental septa behind the fifteenth segment and they open into the intestine.