Question

1. which category of gymnosperms are thought to have given rise to modern - day flowering plants?

conifers
ginkgo
ycads
gnetophytes

Explanation:

Gnetophytes are considered to have a closer evolutionary relationship to angiosperms (modern - day flowering plants) due to some shared characteristics like double - fertilization like phenomena and vessel elements in their xylem.

Answer:

D. gnetophytes