A. 1
B. 2
C. 3
D. 5
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The correct answer to the question: "Echinoderms in fossils record 20 to 30 groups and modern groups are___________?" is "5".
A. 1
B. 2
C. 3
D. 5
The correct answer to the question: "Echinoderms in fossils record 20 to 30 groups and modern groups are___________?" is "5".
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