Polymorphism occurs in

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(D) Polymorphism is a phenomenon where an organism exists in more than one morphological form within the same species.In the phylum $Cnidaria$,specifi

Vedclass · Accepted Answer

Hydrozoa

Vedclass · Answer

(D) Polymorphism is a phenomenon where an organism exists in more than one morphological form within the same species.In the phylum $Cnidaria$,specifically in the class $Hydrozoa$,organisms like $Physalia$ (Portuguese man-of-war) and $Obelia$ exhibit polymorphism.They exist in different forms such as polyps (sessile) and medusae (free-swimming) to perform different functions like feeding,reproduction,and defense.Therefore,the correct answer is $Hydrozoa$.

Column-$I$	Column-$II$
$(1)$ $Scoliodon$	$(p)$ $Saw$ $fish$
$(2)$ $Pristis$	$(q)$ $Sting$ $ray$
$(3)$ $Carcharodon$	$(r)$ $Dog$ $fish$
$(4)$ $Trygon$	$(s)$ $Great$ $white$ $shark$

Similar Questions

Electric organ is present in

Statement-$I$: Teeth of cartilaginous fishes are modified placoid scales which are backwardly directed.
Statement-$II$: Jaws of cartilaginous fishes are very powerful.

Match the following:
Column-$I$ Column-$II$
$(1)$ $Scoliodon$ $(p)$ $Saw$ $fish$
$(2)$ $Pristis$ $(q)$ $Sting$ $ray$
$(3)$ $Carcharodon$ $(r)$ $Dog$ $fish$
$(4)$ $Trygon$ $(s)$ $Great$ $white$ $shark$

Which of the following is viviparous?

Which is the most venomous fish?

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