Q. In earthworm, mature sperms and egg cells and nutrition fluid are deposited in _____________ produced by the gland cells of______________. Fertilization and development occur within____________which are deposited in soil. After fertilization._____________slip off the worm. After 3 weeks, each cocoon produces 2 - 20 (average 4) baby worms

 1650  229 Structural Organisation in Animals Report Error

Solution:

Correct answer is (d) Cocoons, clitellum, cocoons, cocoons