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Cycads and dicotyledons arose from commo...

Cycads and dicotyledons arose from common ancestor called 'A' that existed on earth during period 'B'. Choose the option which fill the blanks 'A'and 'B'correctly.

A

Zosterophyllum and Triassic

B

Chlorophyta and Slurian

C

ASNSeed ferns and Carbobilerous

D

Herbaceous lycopods and Cretaceous

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