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59 Cards in this Set

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gametophyte
embedded in flower of tree
haploid gametes
plants have to be..
eukaryotic
multicellular
photosynthetic
embryo
sporophyte with root, shoot, and some leaves
sporophyte
diploid multicellular phase that produces spores
ovule
portion of flower for reproduction, can see red part which contains first cell that started dividing, growing within body of sporophyte
endosperm
serves to store energy in embryo for later seed coat made from maternal tissue and protects
cotyledon
energy storage, absorbs from endosperm
epicotyl
above cotyledon
hypocotyl
below cotyledon
dermal tissue
covering for plant body
ground tissue
basic cells of organs
vascular tissue
forms in ground, specialized for water and metabolite transport
parenchyma
vary in size, simple cell wall, stereotypical cell
sclerenchyma
tough, hard cells, produce cell wall on outside, fibers to give support, not rubbery
collenchyma
glue like, spongy, part of stem
lignin
waxy substance
epidermal cells
thin cell wall on inner wall, thick waxy layer on outer cell wall
guard cell
chloroplast containing cells that occur in pairs around stomata pore, allows gas exchange and stomata to open and close
phellogen
epidermal like tissue in trees
phloem
transport minerals, waste, glucose, energy
multidirectional transport system, forms pressure on outside through osmosis, pressure pushes things through it, osmosis requires membrane
xylem
cells have lignin, secondary cell walls, transport water and minerals, forms when dead
tracheid
cells that pull up water
vessel element
pipes that make one long tube
sieve tube
strainor
apoplastic
cell wall
symplastic
root hair and epidermal
root type: tap
one main root, no nodes, anchorage, storage area for food
root type: fibrous
finely branched, large surface area for food, more efficient absorption of water and minerals, roots hold soil to prevent erosion
spines
modified leaves, axillary buds
prickles
epidermal extensions, looks like rose thorns
thorns
modified stem, can produce stems off these
stoma
openings in epidermis to allow gas exchange
inflorescence
indeterminate or not
can vary in structure species to species depending on plants repro strategy
bracts
leaves produces on inflorescnce not in flower
sepal
modified leaves
actinmorphic
radial
zygomorphic
bilateral
epidermal cell
thin primary wall, outer wall often thicker (waxy)
epidermal cell function
protective covering over surface of plant body, reduce water loss
guard cell function
open and close stomatal pores
trichone
hair, may be uni or multicellular, occurs on variety of sizes and shapes
trichome function
absorption, secretion, excretory, protection, reduction of water loss
cork cell
dead at maturity, cell walls have waterproof material
cork cell function
reduce water loss, prevents disease causing organisms from penetrating
primary growth
increase in stem and root length
secondary growth
increase in the girth of a plant
meristems
composed of cells that form new cells by mitotic divison
buds
dormant embryonic shoots that eventually develop into branches
primorida
developing stage
vascular cambium
layer of meristematic cells that form a long, thin cont. cylinder with stem and root in between wood and bark of plants. division adds cells to wood and inner bark
cork cambium
located in outer bark
composed of thin cylinder or irregular arrangement of meristematic cells
blade
flat, broad portion of leaf
petiole
stalk that attaches blade to stem
stipoles
leaflike outgrowths usually present in pairs at the base of petiole
stipoles
leaflike outgrowths usually present in pairs at the base of petiole
sessile
leaves without petiole
node
area of stem where one or more leaves are attached
abecission
tree shedding leaves
abecission
tree shedding leaves