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Answer as soon as possible!! (50 POINTS) (And Brainliest) ONLY ANSWER IF YOU KNOW IT

- Name the group of animals whose ancestors were related to the earliest chordates.
- What are two ways that bony fishes differ from ancient jawless fishes?
- How do nonvertebrate chordates differ from other chordates?

Respuesta :

Group of animals whose ancestors were to the earliest chordates are Echinoderms.

The only difference is that they have a circular aperture mouth.

The only difference is that they lack backbones.