babyjo8edian
babyjo8edian babyjo8edian
  • 15-08-2016
  • Biology
contestada

What is a trait that is ancestral to all chordates?
A. a jaw bone
B. a notochord
C. an amniotic egg
D. a vertebral column

Respuesta :

Hussain514 Hussain514
  • 17-08-2016
chordates are the animals which are in phylum chordata and have backbone
The  trait that is ancestral to all chordates is a vertebral column that is backbone
so option D is correct
hope it helps
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Аноним Аноним
  • 11-01-2019

its B

have a goed day

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