26. What is the primary role of the stalk in the sporophyte structure of mosses?
a) Absorbing water
b) Anchoring the plant
d) Aiding in spore dispersal
27. Which of the following adaptations allows bryophytes to retain moisture?
a) Thick waxy cuticle
b) Stomata
c) Air sacs
d) Rhizoids
28. How do bryophytes contribute to the carbon cycle?
a) They release oxygen through photosynthesis
b) They absorb carbon dioxide from the atmosphere
c) They break down organic matter, releasing carbon dioxide
d) They have no role in the carbon cycle
29. Which of the following is not a threat to bryophyte populations?
a) Habitat destruction
c) Air pollution
d) Overconsumption by herbivores
30. Which of the following is not a commercial use of bryophytes?
a) Traditional medicine
b) Art and craft materials
c) Soil erosion control
d) Energy production
