Why Do Most Experts Agree That the Ancestors of Land

Multiple Choice

Why do most experts agree that the ancestors of land plants evolved in marine environments?

A) Roots would not have developed on land.
B) Differences in osmotic pressures between saltwater and freshwater could be overcome while plants were still in water.
C) There were no freshwater environments in the Paleozoic.
D) The first vascular plants are only found in marine environments.
E) Non-vascular plants require saltwater environments.