- A Echinoderms
- B the arthropod group
- C only the annelids
- D a set of chordates
Correct answer: A. Echinoderms
Explanation: Adult echinoderms are radial and bear tube feet.
Concept context
Phylum-level classification of the animal kingdom from Porifera to Chordata, based on body symmetry, coelom, and segmentation. One of the most example-heavy chapters for NEET.