Mosses are classified as bryophytes. which best describes mosses?
a. mosses are seedless plants.
b. mosses bear fruit and flowers.
c. mosses bear flowers, but no fruit.
d. mosses have one cotyledon in a seed.

Answer;

-Mosses are seedless plants

Explanation;

-Bryophytes are small, photosynthetic, non-vascular plants, such as mosses, liverworts and hornworts.  They are seedless plants without specialized water-conducting tissues.

-In bryophytes the long-lived and conspicuous generation is the gametophyte, while in vascular plants it is the sporophyte. The gametophyte generation is dominant, conspicuous and independent. Structures resembling stems, roots, and leaves are found on the gametophore of bryophytes, while these structures are found on the sporophytes in the vascular plants.

the answer is:

carbon dioxide