Chapter 8 - Flowers, Fruits, and Seeds

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• Each plant has its own sex * Ex: persimmon, ginko, holly

• Has both sexes on the same plant but in different locations to increase chance of genetic diversity • Ex: birch trees, oaks, corn, begonias • Some plants’ sexes are ready at different times

stalk that holds the flower (like the petiole to a leaf)

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area of flower attachment

• protection, when cover the flower bud • functions for attraction (sometimes); can become colorful and look like petals • ex: cover the bud, like leaves at top of strawberry or bottom of apple

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• main function is attraction (color and scent) * protection (shape that can hinder some insects and permit certain others)

• male structure, in 2 parts: filament and anther

• female structure, in 4 parts: stigma, style, ovary, ovules

produces and distributes pollen

sperm

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receptacle, receives pollen; sticky or wet, pubescent are possible attributes

• connects the stigma to the ovary • has to put the stigma in exactly the right place to be effective • sperm travels through to the ovary

• contains ovules * becomes fruit

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the eggs, which turn into seeds

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