Which of the following pairs correctly matches the phylum with its given characteristics?

  • A
    Arthropoda $-$ Body divided into head,thorax,and abdomen,and respiration occurs through tracheae.
  • B
    Chordata $-$ Notochord present during some stage and the anus and reproductive tract open into a common cloaca.
  • C
    Echinodermata $-$ Pentamerous radial symmetry and primarily internal fertilization.
  • D
    Mollusca $-$ Generally oviparous and development occurs through trochophore or veliger larvae.

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