Question

stems running above the ground).
87. A worm X found in freshwater and slow-moving streams has been accidently cut into three pieces. It was
observed that in due course of time, each cut piece of the worm develops to become a complete worm by
growing all the missing parts.
(a) Name the worm X which can exhibit this phenomenon of making complete worm from its cut body
parts.
(b) Name another organism Y which possesses the same characteristic of growing fully from its cut body
parts.
(c) What is the name of this process in which a complete organism is formed from its cut body part.
(d) State whether X and Y are unicellular and/or multicellular organisms.
(e) Can a dog be produced completely from its cut body part (say, a cut tail) just like organisms X and Y ?
Why?
A thickened underground stem X of a plant which is swollen with stored food has a number of points Y on
con then each point
88​

Answer 1

Answer:

a) Planaria

b) Hydra

c) Regeneration

d) Multicellular

e) No, because dog has high degree of organization