Question

(a) Explain the process of regeneration in Planaria.
(b) How is regeneration different from reproduction? Or
Name the parts of the human female reproductive system where
i. fertilisation takes place
ii. Implantation of the fertilised egg occurs Explain how the embryo
gets nourishment inside the mother's body.​

Answer 1

Answer:

a.In the process of regeneration,in planaria if any part of the body gets cut then it is capable of developing into a complete organisms.Then,it divides itself into two or more parts and developed into a new organism.

b.Regeneration is different from reproduction because in reproduction an organism is produced by the fusion of sex gametes but in regeneration an organism divides itself divides into two or more parts.

i.fallopian tube

ii.Uterus

The embryo gets nourishment inside the body through a special tissue called placenta.The placenta is a temporary organ that develops in the uterus during pregnancy.