Which among the following is correct about the following diagram?

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Class 11 Biology Practice Test: Animal Kingdom - Classification of Animal Kingdom into Different Phylum — practice the complete quiz, review flashcards, or try a random question.


Which among the following is correct about the following diagram?<br /><img src='https://www.fatskills.com/class11science/zoology-13.GIF' alt='Hemichordates with Proboscis, Collar & Trunk' width='311' height='373' />