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Final Exam
Plant Reproduction
28
Biology
Undergraduate 1
05/17/2010

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Term
terrestrial plants adaptations
Definition
roots-obtain water and nutrients
Term
roots
Definition
obtain water and nutrients, anchorage
Term
stem
Definition
stand upright
Term
gametophyte example and type
Definition
mosses, 1, haploid
Term
sporophyte
Definition
ferns,trees, 2, diploid
Term
gymnosperms
Definition
pine trees, sporophytes with tiny gametophytes in cones
Term
angiosperms
Definition
flowering trees, sporophytes with tiny gametophytes in flowers
Term
parts of flower: sepals, petals, stamen, carpel
Definition
sepal-base of flower
petal-just above sepal
stamen-stalk plus anther, produces pollen
carpel-stalk with sticky stigma where sperm tube grows to fertilize egg
Term
parasitic fungi diseases on plants
Definition
dutch elm disease, chestnut blight, and ergots
Term
parasitic fungi harm people
Definition
athletes foot, lung diseas, ringworm, yeast infections
Term
good fungi
Definition
mushrooms, blue cheese, yeast, antibiotics
Term
green revolution
Definition
more than doubled yield of wheat bt 1940-1980
Term
2 main types of angiosperms
Definition
monocots- one embryonic seed leaf(orchids, bamboo, palms)
eudicots-most angiosperms, 2 embryonic leaves
Term
roots
Definition
underground, absorption, storage
Term
shoots
Definition
above ground, stem attaches leaves
leaves-photosynthesis
buds-terminal at tip, axillary in between root and stem
Term
apical dominance
Definition
terminal control growth of axillary buds with hormones
Term
apical dominance
Definition
terminal control growth of axillary buds with hormones
Term
vascular tissues
Definition
xylem-brings water and nutrients up
phloem-brings sugar from leaves to plant
Term
vascular tissues
Definition
xylem-brings water and nutrients up
phloem-brings sugar from leaves to plant
Term
dermal tissues
Definition
covered with wax-prevents water loss
Term
mychorrhizae
Definition
fungi that colonize roots of plants and provide water and nutrients
Term
ground tissue
Definition
mostly parenchyma
Term
primary growth vs secondary growth
Definition
primary-lengthens roots and shoots
Term
secondary growth
Definition
increases girth of woody plants
cork cambium and vascular cambium
Term
vascular cambium
Definition
divides and prodcues xylem
Term
cork cambium
Definition
divides to produce cork
Term
sexual plant reproduction
Definition
anthers and ovules-site of meiosis
pollination-pollen lands on stigma
fertilization- pollen tube grows to embryo sac and sperm fertilizes
Term
asexual plant reproduction
Definition
fragmentation
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