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What Is A Seed?
Cuticle
Vascular Tissue
Seeds
Fruit & Flowers
Green Algae Ancestor
Bryophytes Ferns Gymnosperms
Angiosperms
The Plant “Family Tree”
What is a Seed? • The embryo of a plant
• The pollen is the “sperm” or male gamete
• The egg is found within a flower if the plant is an angiosperm; or the female cone if the plant is a gymnosperm
• Fertilization results in an embryo or SEED!
Gymnosperms have “Naked Seeds”
The female pine coneis the typical woody cone; itcontains the eggs or ovules
The male pine conecontains pollen
Mature ovulate cones and seeds
Angiosperms have male and female parts (think of lab last
week!)
The seed of an Angiosperm is found within fruit!
In Conclusion…
• What is a seed? How is it important to the lifecycle of a plant?
• Let’s investigate…..
