Which of the following animals possesses a co | vedclass

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(D) complete digestive tract is defined by the presence of both a mouth and an anus. $1$. Tapeworms $(Taenia)$ and Liver flukes $(Fasciola)$ belong to

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Wuchereria

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(D) complete digestive tract is defined by the presence of both a mouth and an anus. $1$. Tapeworms $(Taenia)$ and Liver flukes $(Fasciola)$ belong to the phylum Platyhelminthes, which possess an incomplete digestive system (blind sac body plan). $2$. Planaria also belongs to Platyhelminthes and has an incomplete digestive system. $3$. Wuchereria $(Wuchereria 	ext{ bancrofti})$ belongs to the phylum Aschelminthes (Nematoda). $4$. Aschelminthes are the first group of animals to exhibit a complete alimentary canal with a well-developed muscular pharynx, a mouth, and an anus. Therefore, the correct answer is $D$.

Which of the following animals possesses a complete digestive tract?

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