試題詳解

29. Most moss gametophytes do not have a cuticle and are 1-2 cells thick. What does this imply about moss gametophytes and their structure?
(A) They use stomata for gas exchange regulation.
(B) They can easily lose water to, and absorb water from, the atmosphere.
(C) Photosynthesis occurs throughout the entire gametophyte surface.
(D) They have branching veins in their leaves.