The fourth phylum is a collection of which unusual plants that share certain traits not found in other gymnosperms?

A) Megasporangium
B) Gnetophyta
C) Gametophyte
D) Angiosperms
E) Integuments

Gnetophyta

A division of gymnosperms, with characteristics that share some similarities to angiosperms, including the genera Ephedra, Gnetum, and Welwitschia.

Gametophyte

The sexual phase in the life cycle of plants and algae that produces gametes, typically haploid.

Integuments

Protective layers of tissue that cover the body or parts of plants or seeds, serving as a barrier against environmental stresses.