Cephalochordates are ..........

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(D) Cephalochordates (e.g.,$Branchiostoma$ or $Amphioxus$) exhibit the following characteristics:$1$. They are exclusively marine organisms.$2$. They

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All of the above

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(D) Cephalochordates (e.g.,$Branchiostoma$ or $Amphioxus$) exhibit the following characteristics:$1$. They are exclusively marine organisms.$2$. They retain all three primary chordate characteristics (notochord,dorsal hollow nerve cord,and pharyngeal gill slits) throughout their entire life cycle.$3$. They are ciliary feeders,meaning they use cilia to create water currents to bring food particles into their pharynx.Therefore,all the given statements are correct.

Similar Questions

Which of the following is $NOT$ included in Protochordata?

Assertion $(A)$: $Ascidia$ and $Salpa$ are placed under sub-phylum $Urochordata$.
Reason $(R)$: In $Ascidia$ and $Salpa$,notochord is present only in larval tail.
In the light of the above statements,choose the most appropriate answer from the options given below:

Which of the following characteristics is $NOT$ applicable to both Urochordata and Cephalochordata?

Urochordata: All the members of this subphylum are:

$Branchiostoma$ is an example of

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