Question

Explain with the help of labelled diagrams the development that take place in each of the body parts of a planaria where body is cut into three pieces

Answer 1

Regeneration is the asexual reproduction method take out by planaria.
It first divide into 3 as shown below,
Later the head develops into new individual
The middle portion develops into new individual
And the bottom develops into new individual.
Here the nucleus is also divided into 3 for each parts
Sorry but I couldn't able to get the pic