In Aquatic Environments, the Buoyancy of Water Provides the Structural

In aquatic environments, the buoyancy of water provides the structural support necessary for the thallus, the photosynthetic structure of algae. On land, however, plants lacking the capacity to support photosynthetic tissues must grow prostrate and will be at a competitive disadvantage. The evolution of lignified tracheids allowed plants to develop shoot systems. The most primitive extant plants with lignified tracheids are the

A) Anthocerotophyta.
B) Bryophyta.
C) Ginkgophyta.
D) Psilophyta.
E) Lycophyta.