QUESTION 21
Each of the following is true about the life cycle of the
mosses except
external water is required for fertilization
flagellated sperm are produced
archegonia and antheridia are produced by gametophytes
gametes are produced by meiosis
QUESTION 22
A botanist discovers a new species of plant in a tropical
rainforest. Its characteristics
include flagellated sperm, presence of xylem for conducting water,
independent gametophyte and sporophyte stages, no seeds. This plant
is most likely a
moss
liverwort
fern
multicellular green alga
QUESTION 23
What structures allow vascular plants to readily take up carbon
dioxide from the
atmosphere?
stomata
cuticles
gametangia
chloroplasts
QUESTION 24
In plants, gametangia are structures
that contain the gametophyte generation
that produce and protect sperm and egg within a jacket of
sterile cells
that act as gametes
that fuse with each other to form the zygote
QUESTION 25
Sori, found clustered on the underside of fern leaves, are
clusters of
sporangia
gametangia
gametophytes
archegonia