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Which animals' ancestors were related to the earliest chordates?" a Echinoderms b Mollusks c Arthropods d Cnidarians​
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Which animals' ancestors were related to the earliest chordates?"

a Echinoderms

b Mollusks

c Arthropods

d Cnidarians​

User Slifty
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1 Answer

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Answer:

The earliest chordates were all marine animals like tunicates and lancelets.

User Sdavids
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