Which of the following pairs are correct?
Animal Morphological Feature
$(i)$ Crocodile $4$-chambered heart
$(ii)$ Sea cucumber Echinodermata (Water vascular system)
$(iii)$ Obelia Metagenesis
$(iv)$ Lemur Thecodont

  • A
    $(ii), (iii)$ and $(iv)$
  • B
    $(i), (iii)$ and $(iv)$
  • C
    Only $(i)$ and $(ii)$
  • D
    Only $(i)$ and $(iv)$

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