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Chapter 28 Plant Reproduction - Coggle Diagram
Chapter 28 Plant Reproduction
parts of a flower
Petals
Stamens
Sepals
Carpel
Pollination
Is the transfer of pollen grains from anther to a stigma
Self pollination
transfer to a stigma of the same flower on a different plant
Cross pollination
transfer to the stigma of a flower on a different plant
Insect pollinated flower
nectaries scent colour stickey polen short stamens
wind pollination flowers
light pollen grains huge quantites long stamen feathery stigmas
double fertilization
one male gamets fuses with egg to produce egg to produce a zygote and then an embryo the second unites with the polar nuclei to form food store for the embryo
a seed is a miniature plant
the embryo consists of a shoot
dormacy is when a seed is alive but fails to getminate
a fruit is a mature ovary