Why are budding, fragmentation and regeneration all considered as asexual types of reproduction? With diagrams explain in Planaria.

Question

Why are budding, fragmentation and regeneration all considered
as asexual types of reproduction? With neat diagrams explain the
process of regeneration in Planaria.

Answer 1

Budding, fragmentation and regeneration are considered as
asexual types of reproduction because all of them involve only
one parent and gametes are not involved in reproduction