Multiple choice Fern and Cycas are similar in the presence of seeds trachea cambium ciliated gametes Reveal answer Fill a bubble to check yourself D Correct answer Explanation Ferns and Cycas are both cryptogams (seedless plants) that reproduce using spores. Their male gametes (sperm) are motile and flagellated (ciliated), requiring water for fertilization. They do not produce seeds, trachea, or cambium.