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Download Target Vocabulary *Seed: *Pollen: *Gymnosperms: *Angiosperms
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Target Vocabulary *Seed: ___________________________________________________________________ *Pollen: __________________________________________________________________ *Gymnosperms: ___________________________________________________________ *Angiosperms: ____________________________________________________________ Date: Friday, September 18th 2015. Topic: Classification of Plants with Flower. Objective: To identify the classification of plants with flower. CLASS # 1 – U1 CHARACTERISTICS OF PLANTS WITH FLOWER How are seed plants classified? Seed plants are Vascular plants that reproduce by making seeds. A seed is a plant embryo enclosed in a protective coating. Seed plants also produce pollen, a tiny structure in which sperm forms. A sperm cell from pollen fertilizes an egg cell, which develops into an embryo inside a seed. Seed plants are classified based on whether or not their seeds are enclosed in a fruit. CHARACTERISTICS OF PLANTS WITH FLOWERS Gymnosperms (JIM-nuh-spermz) Gymnosperms are plants that produce seeds that are not enclosed in a fruit. This group includes cycads (SY-kadz), ginkgoes (GING-kohz), and conifers. Cycads They produce seeds in large, woody structures called cones that grow at the center of a thick trunk. They are found in the tropics that have short stems and palm-like leaves and only 140 species still exist. Ginkgoes They produce round, grape-like seeds that are not covered by a cone. Ginkgo seeds smell like rotting butter. They are used in traditional medicine and only the Ginkgo biloba is still alive today. Conifers They are the most common type of gymnosperm. This group that includes pine trees, cedars, and redwoods, also produce cones. The wood of conifer trees is used for building and for paper products. Pine trees also produce a sticky fluid called resin used to make soap, paint, and ink. Angiosperms (AN-jee-uh-spermz) Angiosperms are vascular plants that produce flowers, and fruits which surround and protect seeds. Angiosperms are the most abundant type of plant alive today. At least, 160,000 living species of angiosperms are known, and new species are still being discovered. They can be found in almost every ecosystem. Flowers are the reproductive structures of angiosperms. Flowers are typically made up of sepals, petals, stamens, and a pistil.