Megaphylls

a.) Probably evolved only once
b.) Are found in all the vascular plant groups
c.) Probably arose from sterile sporangia
d.) Are the characteristic leaves of club mosses
e.) Are the characteristic leaves of ferns and horsetails

B) Are found in all the vascular plant groups

Explanation:

Megaphylls are found in vascular plant and they are leaf structures. They undergo photosynthesis and are gotten from the euphyllophyte structures. The have many large veins that branches apart.

microphylls and megaphylls are leaf structures that have diverse anatomical structures.

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explanation:

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