03%20PlStruc.%20%26%20Photosynthesis

03%20PlStruc.%20%26%20Photosynthesis - Plant Structure,...

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Plant Structure, Objectives of today’s lecture: Learn the basic structures that are common to all plants Understand what functions these structures perform Learn the fundamental chemical reactions that occur in photosynthesis and respiration
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Reproduction is the goal of all organisms In order to reproduce a plant must: Harvest energy For plants energy is from sunlight - autotrophic For animals energy is from food - heterotrophic Obtain water Acquire mineral nutrients what are mineral nutrients?? more…
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Reproduction is the goal of all organisms Adapt to changes in the environment Protect against pathogens Fungi, bacteria and viruses Environmental conditions Changes in temperature, light conditions, availability of water, nutrients, etc. Plants must perform all these functions in order to grow and reproduce
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How do plants perform these various functions? Plants harvest solar energy through photosynthesis primarily in leaves Plants acquire water and essential mineral nutrients from the soil function of roots
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How do plants perform these various functions? Water, nutrients and food are distributed throughout the plant via the vascular system connects roots, stems, leaves, flowers and all other organs Reproduction occurs in flowers other organs, such as roots and stems play a role in asexual reproduction
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Why do I need to learn about the structure of plants? Helps you to understand the variety of forms found in different plants There is a connection between form and function; understanding the structure of plants helps to explain the functions that specific tissues perform Plant identification is based on morphological features
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Why do I need to learn about the structure of plants? Horticultural practices such as pruning and propagation require a knowledge of plant structures Knowledge of the anatomy and cellular structure of plants helps you understand how plants grow
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The Plant Body Plants are composed of ORGANS such as roots, stems and leaves Organs are comprised of various TISSUES , for example mesophyll and xylem Tissues consist of different types of CELLS , the fundamental unit of all organisms Cells contain ORGANELLES , structures that are responsible for metabolic activity within a cell
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The Plant Cell
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03%20PlStruc.%20%26%20Photosynthesis - Plant Structure,...

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