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51 Cards in this Set

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  • Back
leaf
usually green, flattened structure attached to a stem
root
usually underground portion of a plant
stem
main ascending axis of a plant
fruit
ripened ovary of a seed bearing plant
vascular plant
larger plants that do photosynthesis at the leaves and stems
nonvascular plant
small plants with no vessels
examples: liverworts, hornworts and mosses
lichen
fungus that grows symbiotically with algae
horsetail
nonflowering plant, jointed hollow stem and narrow leaves
fern
numerous flowerless seedless vascular plants
seed
ripened plant ovule containing the embryo
monocotyledon
has a single cotyledon
dictoyledon
2 embryonic seed leaves that appear at germnination
annual
living for only one year or season
perennial
living for 3 or more years
biennial
life cycle that takes 2 years to complete
photosynthesis
process in green plants where carbs are synthesized using light as an energy source
photoautotroph
organism capable of synthesizing its own food
xylem
supporting and water conducting tissue
phloeum
grasses native to temperate regions
root hair
thin hairlike outgrowth of epidermal cell
hormone
similar substances that regulate development
auxin
promotes cell elongation, if there is no auxin, ripe fruits drop to ground and trees loose leaves-acts locally only.
gibberellin
causes elongation and enhances fruit formation
cytokin
stimulates cell division
ethylene
promotes ripening of fruits. used by farmers to ripen fruits that were picked unripe
tropism
reponse to the external stimulus
-phototropism:growth toward light
-gravitropism: growth toward gravity
-thigmotropism:growth response to touch
nastic movement
movemnt that is not in the direction of the stimulus
alternation of generation
reciprocal successcion of things in time and place
vegetative propogation
reproduce and transmits traits from one generation to another.
cuttings
where the leaf or stem is cut and removed, root into an entire new plant
petal
brightly colored part of a flower surrounding reproductive organs
stigma
mark, spot, pore
style
slender, tubular, bristlelike
ovary
ovule bearing lower part of pistil that ripens into a fruit
pistil
female, ovule bearing organ of a flower
stamen
pollen producing organ of a flower
anther
pollen bearing part of stamen
filament
stalk that bears the anther in a stamen
sepal
spearate, usually green parts forming calyx
photoperiodism
responses to changes in photoperiod
grafting
unite with a growing plant by insertion or close contact
pollen
fine powder like material consisting of pollen grains produced by anthers of seed plants
hypa
thread like filaments forming mycelium of fungus
mycelium
vegetative part of a fungus
budding
small round organic part
spore
single cell reproductive body, highly resistant to heat, can grow to new organism
mychorrhizae
a mutualist that helps 80-95% of plants obtain nutrients
gill
thin platelike stucture under mushroom
stipe
supporting stalk like structure
yeast
foam consisting of yeast cells with carbon dioxide
septa
thin partition or membrane that divides 2 cavities of tissue in an organism