As is true of the gametophytes of all land plants, the gametophytes of true mosses lack stomata. Yet, the feather moss Pleurozium harbors nitrogen-fixing cyanobacteria. Which of the following is a feature of moss gametophytes that is most important for the continued survival of these cyanobacteria in the tissues of the feather moss gametophyte?
A) lack of cuticle
B) lack of vascular tissues
C) lack of true leaves or roots
D) lack of an independent sporophyte
E) lack of multiple cell layers in "leaves" of "buds"
Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
A Punnett square depicting a cross between two pea plants heterozygous for purple (B) and white (b)
Plants
Plants
Sea and Land Breezes
Life cycle of a moss (Polytrichum)