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Published byMargaret Norton Modified over 9 years ago
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Notes 10-3 Seed Plants
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Vascular Tissue Seed plants have vascular tissue to help support the upright body and to carry nutrients. 2 types: Phloem carries food Xylem carries water and minerals
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Pollen and seeds Seed plants have pollen that contain the cells that will become sperm Pollen carried to egg Fertilization occurs and seed develops Seeds contain a young plant inside and provide protection
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Seed structure 3 parts: Embryo- young plant that develops from zygote, includes the cotyledon (seed leaves) and stem and root Stored food- sometimes in the cotyledon and sometimes outside of it Seed coat-protects food and seed for long period of time, sometimes surrounded by fruit
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Seed Dispersal After seeds are formed they are scattered far from where they are produced by wind, animals, water, and ejection
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Germination Seeds will germinate when conditions are right Embryo grows again and pushes out seed Root grows downward, stem grows upward Called a seedling when you can see leaves
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