Characteristic features always holds true for the corresponding group of animals

Which of the following characteristic features always holds true for the corresponding group of animals?
(1) 3-chambered heart with one incompletely divided ventricle     – Reptilia
(2) Cartilaginous endoskeleton                                                                       – Chondrichthyes
(3) Viviparous                                                                                                          – Mammalia
(d) Possess a mouth with an upper and a lower jaw                              – Chordata

Anurag Mishra Professor Asked on 2nd May 2016 in Biology.
Add Comment
  • 1 Answer(s)

    Answer: (2) Cartilaginous endoskeleton

    Anurag Mishra Professor Answered on 4th May 2016.
    Add Comment
  • Your Answer

    By posting your answer, you agree to the privacy policy and terms of service.