Plants - T2 S1 Flashcards
(47 cards)
source of peat moss
sphagnum
What can peat moss be used for?
fuel
Are plants autotrophs or heterotrophs?
autotrophs
What do autotrophs release as a waste product?
oxygen
form the base of food webs
plants
closest relative of plants
likely gave rise to plants
green algae
adapted for life in water
algae
adapted for life on land
plants
plant coating that minimizes water loss
cuticle
pores in leaf epidermis that permit gas exchange
stomata
List resources obtained by plants.
light, CO₂, water, minerals
transports water and nutrients through xylem and phloem
vascular tissue
transports water and dissolved minerals
xylem
transports sugars (dissolved in water)
phloem
strengthens cell walls of xylem for support
lignin
anchor the plant and absorb water and minerals
roots
protect and disperse seeds
fruits
a ripened plant ovule containing an embryo and its food supply
seed
delivers sperm to female flower part
pollen
produce pollen and egg cells
flowers
List the two parts to plant reproduction found in alternation of generations.
sporophyte (diploid),
gametophyte (haploid)
produces spores by meiosis
sporophyte (diploid)
produces gametes by mitosis
gametophyte (haploid)
lack vascular tissue; small, compact plants, no specialized transport tissues, lack true leaves and roots, most restricted to moist areas
bryophytes