Question

give reason why some organism cannot give rise to their individual through regeneration

Answer 1

Multicellular organisms like humans and other cannot give rise to individuals through re generation because of following reasons:
i) there is a complex body design.
ii) there are specified organs to perform specific functions
iii) there is division of labour
iv) the special cells or protein required for regeneration, is not present in multicellular organisms like humans or other organisms.

Answer 2

Answer:

Organisms at higher complex levels cannot give rise to new individuals through regeneration because they have organization of their organs system at different levels. All these organ systems are interconnected and work in full coordination. They can regenerate few of their lost body parts like skin, blood, muscles, etc. but can’t give rise to new individuals.