Question

How have the sporophyte and gametophyte changed as plants have evolved?
More recently evolved plants are mostly haploid gametophytes.
The sporophyte has become larger, but the gametophyte has not changed.
Many more recently evolved plants no longer have a sporophyte.
The gametophyte has become smaller, and the sporophyte has become larger.

Answer 1

The plant evolution has also led to changes in the sporophyte and gametophytes. The sporophytes have apparently beacome larger, and the gametophytes have become samller. Sporophyte like algae were previously single-celled and now evloved to multi-cellular structure. So, Your answer is B.