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Flowers and Reproduction (flower structure and cross pollination (animal…
Flowers and Reproduction
asexual reproduction
fragmentation
self sufficient
large vine like plant
each portion is self sustaining
sexual reproduction
the plant life cycle
diploid
gametes
sperm
#
egg
#
zygote
spores
syngamy
fusion of two gametes
flower structure
none
secondary growth
become woody
stalk
pedicel
end of axis
receptacle
complete flower
sepals
petals
stamens
carpels
gametophytes
microgametophyte
small and simple
vegetative cell
generative cell
small lens shaped
pollen tube
megagametophyte
8 haploid nuclei
embryo sac
central cell
polar nuclei
two
fertilization
plasmogamy
fusion of protoplasts
gametes
karyogamy
fusion of nuclei
angiosperms
endosperm nucleus
triploid
fruit development
ovule
seed
ovary
fruit
three layers
exocarp
mesocarp
endocarp
entire fruit wall
pericarp
flower structure and cross pollination
cross-pollination
pollination of carpel
different individual
genetic variation
stigma and pollen incompatibility
compatibility barriers
chemical reactions
pollen and carpels, prevents pollen growth
stamen and style maturation time
self fertilization
stopped if anther and stigma
mature at different rates
monoecious and dioecious species
essential organs
stamens
carpels
animal-pollinated flowers
flowers
smells
shapes
all sources to look inviting to animals
wind-pollinated flowers
less patels
conserve energy
use towards growth
ovary postion
protected from pollinators
inferior ovary
receptacle tissue
fruit types and seed dispersal
true fruits and accessory
true fruit
only ovarian tissue
accessory fruit
nonovarian tissue present
simple fruit
fused ovaries of one flower
classification of fruit types
dry
not normally consumed
fleshy
eaten for seed dispersal
dehiscent fruits
release seeds
indehiscent fruits
don't open and release seeds
