Which animal phylum possesses a mouth at the | vedclass

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Question

(A) The phylum $Aschelminthes$ (also known as $Nematoda$) is the first group of animals in the evolutionary sequence to exhibit a complete alimentary

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Aschelminthes

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(A) The phylum $Aschelminthes$ (also known as $Nematoda$) is the first group of animals in the evolutionary sequence to exhibit a complete alimentary canal with a well-developed muscular pharynx. This means they possess a distinct mouth at the anterior end and an anus at the posterior end,which is a characteristic feature of a tube-within-a-tube body plan. $Coelenterata$ and $Porifera$ have an incomplete digestive system (blind-sac body plan),and $Protozoa$ are unicellular organisms.

Which animal phylum possesses a mouth at the anterior end and an anus at the posterior end?

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