In which of the following is ecdysis (moultin | vedclass

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(A) Ecdysis,or moulting,is the process of shedding the old exoskeleton to allow for growth. This process is characteristic of organisms belonging to t

Vedclass · Accepted Answer

Hydra

Vedclass · Answer

(A) Ecdysis,or moulting,is the process of shedding the old exoskeleton to allow for growth. This process is characteristic of organisms belonging to the phylum $Arthropoda$,such as insects (mosquitoes,houseflies,cockroaches). $Hydra$,on the other hand,belongs to the phylum $Cnidaria$. $Cnidarians$ do not possess an exoskeleton that requires shedding; therefore,ecdysis does not occur in $Hydra$.

Column $-I$	Column $-II$
$(A)$ Cartilaginous fishes	$(i)$ Cycloid scales
$(B)$ Bony fishes	$(ii)$ Epidermal scales
$(C)$ Reptiles	$(iii)$ Placoid scales

In which of the following is ecdysis (moulting) $NOT$ observed?

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Coelom is absent in

Identify the incorrect matching.

Column $-I$ represents the animal class, while Column $-II$ represents the exoskeleton. Choose the correct option:
Column $-I$ Column $-II$
$(A)$ Cartilaginous fishes $(i)$ Cycloid scales
$(B)$ Bony fishes $(ii)$ Epidermal scales
$(C)$ Reptiles $(iii)$ Placoid scales

Which of the following characteristics is $NOT$ shared by birds and mammals?

Choose the correct option representing the organisms belonging to their respective classes.

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