Gymnosperms are characterized by the

Gymnosperms are a group of seed-producing plants that include conifers, cycads, Ginkgo, and gnetophytes. They are characterized by the following features:

Presence of seeds in cones: Gymnosperms produce seeds that are not enclosed within a fruit but are typically borne naked on the surface of cone scales or other structures. These cones are the reproductive structures of gymnosperms.

Absence of seeds: This is incorrect. Gymnosperms are seed-producing plants, and they produce seeds, albeit without an enclosing fruit.

Presence of flowers: Gymnosperms do not produce flowers. Instead, they reproduce through cones or similar structures.

Absence of vascular tissues: This is incorrect. Gymnosperms possess vascular tissues, including xylem and phloem, for the transport of water, nutrients, and sugars throughout the plant.

Therefore, Option C accurately describes one of the key characteristics of gymnosperms.