The Evolution of Pollen Has Enabled Seed Plants to Thrive

Multiple Choice

The evolution of pollen has enabled seed plants to thrive on Earth because it

A) has eliminated the need for a male gametophyte, allowing sporophytes to grow taller.
B) maintains the genetic material of a plant, in some cases even over thousands of years.
C) has eliminated the need for liquid water in the fertilization process, allowing plants to colonize drier areas.
D) has provided a source of food for foraging insects.
E) has eliminated the need for a female gametophyte, allowing embryos to obtain nutrients directly from the sporophyte.