Biology 22 5[1]
description
Transcript of Biology 22 5[1]
22-5 Angiosperms—Flowering Plants
Chapter 22 Plant Diversity
Fruit
• Wall of tissue surrounding an angiosperm seed
Cotyledon
• First leaf or first pair of leaves produced by the embryo of a seed plant
Monocot
• Angiosperm whose seeds have one cotyledon
Dicot
• Angiosperm whose seeds have two cotyledons
Annual
• Flowering plant that completes a life cycle within one growing season
Biennial
• Flowering plant that completes its life cycle in two years
Perennial
• Flowering plant that lives for more than two years
Key Concept
• Angiosperms develop unique reproductive organs known as flowers.
Key Concept
• Flowers contain ovaries, which surround and protect the seeds.
Key Concept
• Monocots and dicots are named for the number of seed leaves, or cotyledons, in the plant embryo. Monocots have one seed leaf, and dicots have two.