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37
Agriculture
Undergraduate 2
04/17/2012

Additional Agriculture Flashcards

 


 

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Term
autotrophic
Definition
capable of making own food from inorganic substances
Term
heterotrophic
Definition
organism that cannot produces its own food
Term
photosynthesis
Definition
process that converts light energy into chemical energy
Term
Chloroplast
Definition
an organelle that contains chlorophyll from photosyntehsis
Term
Plant cell wall
Definition
cellulose matrixaround the cell. composed of cellulose. structure very well put together. cannot be broken down. eats fiber
Term
roots
Definition
draw in water, minerals. supports stem and leaves
Term
shoots
Definition
supports steams, trunk of tree. tranksports minerals and water to the leaves and glusose to roots
Term
leaves
Definition
phtosynthesizing organ
Term
Meistems
Definition
ONLY place the plant grows
Term
flowers
Definition
hold the sexual organs of the a plant
Term
seed
Definition
plants embyro
Term
asexual
Definition
produces itself. no exhange of genetic material. same as parent
Term
sexual
Definition
involves male and female parts. embryo formed encased in the seed
Term
mitosis
Definition
cell division. genes replicated and each new cells gets one set
Term
grafting
Definition
a method in which parts of plants are joined togheter with the ulimate intention of making them unite and continue growing as one plant. a grafted plant, is a composite of parts derived from two or more plants.
Term
stock
Definition
bottom
Term
scion
Definition
part of the graph would be on top and would be the plant you would want to grow and produce fruit
Term
Totipotency
Definition
ability of a single cell to become a complete organism
Term
dedifferenation
Definition
specialized cell to become a general cell
Term
callus
Definition
living cells under the plate begin to divide and grow to form callus
Term
atmospheric gases
Definition
nitrogen- 78%
oxygen - 21%
other gases- 1%
Term
COAL
Definition
lignite-young coal, poor quality
subbituminous-low energy
Bituminous-very common
anthracite-- not common
Term
stigma
Definition
the top portion of this part of the female flower is sticky in order to retain pollen
Term
style
Definition
rasises the stigma away from the ovary to decreases the liklihood of pollen contamination
Term
stigma+style+ovary=PISTIL
Definition
Term
anther
Definition
this plant structure HOUSES pollen until their maturity and releases
Term
filament
Definition
stalk of the anther
Term
anther+filament=stamen
Definition
Term
ovary
Definition
this protexcts ovule and once fertilisation has taken place it will become the fruit. enlarged basal portion of the pistil where ovuels are produced
Term
ovule
Definition
the egg in animals and once fertilisation has taken place will become the seed
Term
petals (corolla)
Definition
used to attract insects into the flower, they may have guidelines on them and be scented
Term
sepals
Definition
the outer parts of the floewr that enclose a developing bud
Term
bracts
Definition
modified leaves which can simulate petals and add the conspicuous part to otherwise inconspicuous flowers
Term
dioecious
Definition
refers to a plant population having separate male and female parts
Term
monoecious
Definition
individual that has both male and female parts reproductive units but on the same plant
Term
androecious
Definition
in dioecious plant these would only be in MALE plants
Term
gynoecious
Definition
ONLY female plants
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