What happened during the Cambrian explosion?

A. groups of dinosaurs began to evolve into the ancestors of modern birds.

B. animals evolved a variety of complex body parts.

C. early chordates began toj appear.

D. Many groups of vertebrate animals became extinct.

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27 February, 23:42

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Patricia Duncan · Answer 1

B. animals evolved a variety of complex body parts

What happened during the Cambrian explosion?A. groups of dinosaurs began to evolve into the ancestors of modern birds.B. animals evolved a variety of complex body parts.C. early chordates began toj appear.D. Many groups of vertebrate animals became extinct.