Most bryophytes, such as mosses, differ from all other plants in that they a. do not produce flowers produce spores b. have flagellated sperm c. have cones but no seeds d. lack true leaves and roots

Option D

Most bryophytes lack true root and leaves.

Explanation:

Bryophytes are group of non vascular land plants that are found in moist environment. Examples are mosses, liverworts and hornworts. They reproduce by spores and not by flowers. They different from other plant in that they lack true roots, stems and leaves, presence of rhizoids function as roots to anchor the plant to the soil but the rhizoids does not absorb nutrient like other plant root.Bryophytes differ from other land plant in that they do not have xylem, a vascular system use to transport water internally rather they get water and nutrients through their leaves.