M1. U2. RF. Flashcards
Biodiversity of plants (37 cards)
four divisions into which the kingdom plantae are divided
bryophytes pteridophytes gymnosperms and angiosperms
the phenomenon where Generations alternate in that the one generation gives rise to the other
alteration of Generations
the Generation which is sexual and produces gametes
gametophyte generation
the Generation which is asexual and produces spores
sporophyte generation
the plants division which includes mosses liverworts and hornworts
bryophytes
the dominate dominant generation in the life cycle of mosses
gametophyte generation
the name given to a plant body weight true roots stems and leaves cannot be distinguished
t h a l l u s
The Cap covering the sporangium in bryophytes
calyptra
plants division including all ferns
pteridophytes
dominant generation in the life cycle of ferns
sporophyte Generations
the horizontal underground stem occurring in most ferns
rhizome
vascular tissue present in ferns
xylem and phloem
clusters of sporangia found on the underside of fern leaves
s o r i
the heart-shaped structure that germinates from a Spore of a fern and represents the gametophyte generation
Pro thallus
collective name given to the seed bearing plant groups gymnosperms and angiosperms
spermatophytes
the plant division including conifers and cycads
gymnosperms
the dominant generation in the life cycle of the Pine or pinus SP
sporophyte generation
structures bearing pollen sacs or containing pollen grains in the Pine
male cones
structures in which the pine tree ovules are carried
female cones
the structure representing the male gametophyte in the Pine
germinating pollen grain
the structure representing the female gametophyte in the Pine
embryo sac or tissue in ovule
the structure into which the fertilised ovule develops
seed
term describing the seed of the Pine not enclosed by an ovary
naked
the seed bearing plant group with flowers
angiosperms