The question is incomplete as it does not have the options which are:
a. mosses.
b. charophytes.
c. ferns.
d. gymnosperms.
e. flowering plants.
Answer:
C. ferns.
Explanation:
In the given question, the characteristics of a newly identified species were provided which are:
1. Flagellated sperm: shows that it is either a bryophyte or pteridophyte
2. Dominant sporophyte: chances that it is a pteridophyte
3.The xylem and tracheids: shows that vascular bundle is present which confirms that it is pteridophyte
4. No seeds: confirms that the plant is pteridophyte as vascular bundles with no seed are pteridophyte.
Therefore in the given question, the identified plant is a pteridophyte which in the given option is a fern.
Thus, Option-C is correct.