babyjo8edian babyjo8edian

15-08-2016
Biology

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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

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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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