によって nguyen hoang 5年前.
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Flower
Flower
Pollination
Sexual reproduction: involve the production of fruit and seeds from specialized cells of two plants
Asexual reproduction: the parent plant grow new plants from it root, leaves,…
Germination
Subtopic
Seed label
Cotyledon: (seed leaves)
micropyle: hole made by pollen tube
Radicle: (Embryo shoot)
Plumule: (Embryo Shoot)
tesla: A tough seed coat
Fertilisation
Action:
structures
Petal
recepticle
sepal
Female
Ovary
ovule
Stigma
Style
Male
Anthem
Filament
Function of structures
Sepal: Special leaves form ring around the bottom. Protect the buds
receptacle: top part of the stalk where the flower connect
Ovary: egg stored there, join with pollen
stigma: sticky to catch pollen
Style: support the stigma
Anther: part of the stamen, contain pollen
Filament: support and hold anther