Angiosperms: Classification and Reproduction
Angiosperms reproduce sexually through flowers, with their ovaries developing into fruits that protect and disperse seeds. Classification of angiosperms includes monocots and dicots based on the number of seed leaves. They are categorized by characteristics like stem composition and growing seasons for convenience.
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Presentation Transcript
22.4 Flowering Plants P650 Basic classification & characteristics of Angiosperms. Ovaries-Surround & protect the seeds.
Flowers & Fruits Q: What are the key features of angiosperm reproduction? A: Angiosperms reproduce sexually by means of flowers. After fertilization, ovaries within flowers develop into fruits that surround, protect, and help disperse the seeds. Fruit-the structure containing one or more matured ovaries.
Angiosperm Classification Cotyledons-first leaf or first pair of leaves produced by the embryo of a seed. Monocots-angiosperm with one seed leaf in its ovary. Dicots-angiosperm with two seed leaves in its ovary.
Angiosperm Diversity Q: How are different angiosperms conveniently categorized? A: Angiosperms are often grouped according to the number of seed leaves, the strength and composition of their stems, and the number of growing seasons they live.
