biol 227 Study Guide Questions with
Complete Solutions
dehiscence - ANS the splitting of a mature plant structure along a built-in line of weakness to
release its contents
protonema - ANS mass of tangled green filaments in mosses that forms during germination
rhizoid - ANS A thin, rootlike structure that anchors a moss and absorbs water and nutrients
for the plant.
embryophyte - ANS land plant
peristome - ANS tissue that surrounds the opening of the capsule and allows periodic release
of spores
seta - ANS The elongated stalk of a bryophyte sporophyte.
calyptra - ANS A protective cap of gametophyte tissue that wholly or partially covers
an immature capsule in Polytrichopsida
gemmae cups - ANS how liverworts asexually reproduce, little cups that contain a tiny liverwort,
dispersed by a drop of water
gametophyte - ANS The stage in the life cycle of a plant in which the plant produces gametes,
or sex cells.
enations - ANS Tiny, green, superficially leaflike, veinless, photosynthetic flaps of tissue
Complete Solutions
dehiscence - ANS the splitting of a mature plant structure along a built-in line of weakness to
release its contents
protonema - ANS mass of tangled green filaments in mosses that forms during germination
rhizoid - ANS A thin, rootlike structure that anchors a moss and absorbs water and nutrients
for the plant.
embryophyte - ANS land plant
peristome - ANS tissue that surrounds the opening of the capsule and allows periodic release
of spores
seta - ANS The elongated stalk of a bryophyte sporophyte.
calyptra - ANS A protective cap of gametophyte tissue that wholly or partially covers
an immature capsule in Polytrichopsida
gemmae cups - ANS how liverworts asexually reproduce, little cups that contain a tiny liverwort,
dispersed by a drop of water
gametophyte - ANS The stage in the life cycle of a plant in which the plant produces gametes,
or sex cells.
enations - ANS Tiny, green, superficially leaflike, veinless, photosynthetic flaps of tissue