Hydra reproduces through

Arrange the following animals in ascending order of their maximum lifespan and select the correct option:
Animal Name | Code
Butterfly | $(a)$
Crocodile | $(b)$
Swan | $(c)$
Toad | $(d)$
Parrot | $(e)$

In which of the following is natural parthenogenesis observed?

Which of the following are the main methods of reproduction?

Individuals that are genetically identical and produced through asexual reproduction are called:

Define the following phases of the life cycle of an organism:
$(a)$ Senescent phase
$(b)$ Reproductive phase
$(c)$ Juvenile phase