The Phylogenetic Tree Shown Here Displays The Major Clades Of Chordates.

(Correct Answer Below)

The Phylogenetic Tree Shown Here Displays The Major Clades Of Chordates.

Which of the statements below about this phylogenetic tree are true?
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Rays and frogs have a vertebral column Organism (a) is a common ancestor of all chordates Descendents of organism (d) have legs Birds and ray-finned fishes have a notochord and jaws

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