Lecture 1_Flowering Plant Body

Lecture 1_Flowering Plant Body - THE FLOWERING PLANT BODY...

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THE FLOWERING PLANT BODY BIS1C Topic 1 I. Introduction A. Taxonomy B. Angiosperms II. Basic Features A. Indeterminate growth B. Plant organs C. Early beginnings: the seed D. Germination and the root E. Seedling development and the shoot III. Modified Vegetative Organs IV. The Adult Plant Body V. Summary
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Taxonomy Eukaryota Viridiplantae Streptophyta Embryophya Tracheophyta Spermatophyta Magnoliophyta Liliopsida Asparagales Orchidaceae Vanilloid Clade Vanillinae Subfamily Vanilla Genus Vanilla spp. Vanilla planifolia Jackson
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Taxonomy Eukaryota Viridiplantae Streptophyta Embryophya Tracheophyta Spermatophyta Magnoliophyta Liliopsida Asparagales Orchidaceae Vanilloid Clade Vanillinae Subfamily Vanilla Genus Vanilla spp. Vanilla planifolia Jackson
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Angiosperms 1. Most important for humankind. Why? 2. Largest group of land plants. How big? 3. Two major classes: Eudicots and Monocots 4. Name indicates why this group is special: Gr. Angion (vessel) & sperma (seed)= “vessel seed” or “seed container” What is this seed container called botanically? The “ovary,” which ripens into the “fruit.”
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BASIC FEATURES OF THE PLANT BODY A. Indeterminate growth 1. Plants exhibit "indeterminate growth:” a.) they grow throughout life, changing form, no definite adult size/shape. b.) allows for coping with environment, predators, competition for light c.) contrasts with the "determinate growth" of animals. 2. Meristems are the key to indeterminate growth. a.) Meristematic cells/tissues add new parts to the plant body. 3. Certain plant organs exhibit the opposite kind of growth, i.e., determinate growth: a.) Examples: leaves, flowers These organs achieve a final size and form, then cease growth.
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PLANT ORGANS Two types of plant organs 1. Vegetative organs: Roots Stems Leaves 2. Reproductive organs: Flowers Fruits
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Basic Features of the Flowering Plant Body
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monocotyledonous plants
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This note was uploaded on 05/17/2010 for the course BIO BIS 1C taught by Professor Oneill during the Spring '10 term at UC Davis.

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Lecture 1_Flowering Plant Body - THE FLOWERING PLANT BODY...

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