Which phylum encompasses vascular plants that reproduce through seeds grown in cones?

The correct response is tied to the characteristics of vascular plants that reproduce through seeds, specifically those found in cones. The phylum Coniferophyta is known for comprising conifers, which are a group of woody plants that reproduce through the formation of cones. These cones serve as structures for producing and housing seeds, making them distinctly different from other plant groups.

Coniferophytes include familiar examples such as pines, firs, and spruces. These plants typically have needle-like leaves, are adapted to various environments, and play significant roles in their ecosystems. The reproductive strategy involving cones allows for specific advantages in terms of reproduction and dispersal in various habitats.

Other phyla listed do not share this specific mode of reproduction or structure. For instance, Angiospermae refers to flowering plants which produce seeds enclosed within fruits; Equisetophyta includes horsetails that reproduce via spores, not seeds; and Pteridophyta encompass ferns, which also reproduce through spores rather than seeds. Thus, Coniferophyta is the phylum that accurately represents vascular plants with seeds grown in cones, highlighting the unique reproductive adaptation of these plants.