Life Cycle of the Angiosperms

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Life Cycle of the Angiosperms
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Cross section of an ovary. The outside will
become the fruit the placental region is visible
as are ovules
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Close-up of two ovules and the locular space.
Megagametophytes are developing in both ovules
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First 4 nucleate stage
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Second 4 nucleate stage
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Pollen grains
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Chenopodium album pollen grain
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Yellow pond lily Nuphar lutea
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Scotch Pine Pinus sylvestris
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Unidentified pollen grain