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Recursos educativos
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Stages in the germination of a seed
EduBook Organización
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Which organ becomes visible on the 4th day? Which organ is formed on the 6th day? At which point does the plant come to the surface? What day does this happen on? Why have the cotyledons reduced in size…
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The parts of a plant
EduBook Organización
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All plants have roots, a stem and leaves. Some plants have flowers and fruit. Roots The roots hold the plant in the ground. They absorb water and mineral salts from the soil. Plants use these to make…
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Check. Test yourself
EduBook Organización
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Remember what you have studied in this section and answer the questions: What is the difference between binary fission and budding? What types of asexual reproduction are often seen in plants? How do we…
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The transport of substances in plants
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2.1. Plant transport systems Plants have two transport systems, one for each type of sap that is transported: Xylem. This system transports raw sap (water and mineral salts) from the root up the stem to…
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The formation of seeds and fruits
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5.1. The formation of the seed After fertilisation, the petals, sepals and stamens wither and fall off. The style and the stigma often also fall off. Only the ovary remains, containing the fertilised…
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What are our teeth made of?
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Each tooth is divided into two parts: the crown, which we can see, and the root, which is fixed into the jaws. The centre of the tooth contains blood vessels and nerves, which allow us to feel pain.…