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-$II$
$(a)$ Contractile vacuole	$(i)$ Excretory unit
$(b)$ Parapodia	$(ii)$ Food ingestion
$(c)$ Flame cells	$(iii)$ Locomotion
$(d)$ Nematocysts	$(iv)$ Osmoregulation

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

Similar Questions

Which of the following is a correct matching set?

Haemocoel is found in

Match the following columns:
Column-$I$ Column-$II$
$(a)$ Contractile vacuole $(i)$ Excretory unit
$(b)$ Parapodia $(ii)$ Food ingestion
$(c)$ Flame cells $(iii)$ Locomotion
$(d)$ Nematocysts $(iv)$ Osmoregulation

Choose the correct option for the following statements:
$(i)$ Metamerism is a characteristic feature of $Annelida$ / $Arthropoda$.
$(ii)$ Internal buds in sponges are called $Gemmules$ / $Gemmi$.

Which one of the following figures shows radial symmetry?

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