Plants and Algae Most Recently Shared a Common Ancestor 480

Multiple Choice

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.Light,water,minerals,and dissolved gases surround the whole body of a submerged green alga,and the buoyancy of water provides physical support.What adaptation did plants make in taking up gases without drying out when they moved to dry land?

A) development of vascular tissue
B) production of a cuticle
C) production of pollen
D) production of lignin
E) development of stomata