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Plant Process

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    Natural Science 4Grade
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  • How many types of plants which produce seeds are there?
    Two - angiosperms and gymnosperms
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  • Explain the cycle of a flowering plant
    1. Seed dispersal 2. Germination 3. Growth 4.Flowering 5.pollination 6.Fruits with seeds
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  • What is the photosynthesis?
    Is the process in which plants make their own food
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  • During photosynthesis, plants use sunlight and carbon dioxide to..
    to transform raw sap into Elaborate sap
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  • The leaves contain a green substance called… and this traps…
    Chlorophyll traps sunlight.
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  • The leaves absorb…………from the air.
    Carbon dioxide
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  • Plants absorb…………… how is called that mixture?
    water and minerals from the soil through their roots. This mixture of water and minerals is called raw sap.
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  • Raw sap travels up the stem to the leaves through tubes called……
    xylem vessels.
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  • Elaborated sap is the plant's food. It travels from the leaves to all parts of the plant through tubes called…
    phloem vessels.
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  • Why ferns, angiosperms and gymnosperms are vascular plants?
    Because they have tubes called vessels to transport water and nutrients around the plant.
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  • Plants exchange gases through two different processes:
    Photosynthesis and respiration
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  • How is called the tiny openings in the leaves ?
    stomata.
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  • What happens with the oxygen and the carbon dioxide in the process of photosynthesis? And in respiration?
    Photosynthesis = carbon dioxide is transformed into oxygen (during the day) | Respiration = like humans ( day at night)
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  • The female reproductive organs produce.......and The male reproductive organs produce
    ovules/pollen
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  • Draw a angiosperm plant and label the parts
    Stigma, style, ovary, ovules , anther,filament, stamen, sepal ,pisti.
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  • Explain in which consists the Pollination?
    The pollen travels from the anther of one flower to the stigma of the same or a different flower. A pollen grain reaches an ovule in the ovary and fertilisation
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