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What plants need
EduBook Organización
- 3605 visitas
1.1. Plant nutrition Nutrition is all of the processes that living things use to convert the foods they ingest. They transform these nutrients into biomolecules that they need to make cells and tissues.…
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Who is it?
EduBook Organización
- 3346 visitas
Match the sentences to the correct character. You can use each character more than once. He looks after the garden and he’s not friendly. There are twelve children in her family. She meets Mary in…
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Water purification and treatment
EduBook Organización
- 3209 visitas
Water goes through a series of stages both before and after it is used for consumption. Water collected from a river or lake is purified for human consumption. After human use, contaminated water and…
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Video game: Cell Structure
Tiching explorer Organización
- 1 lo usan
- 5579 visitas
In this activity we learn to distinguish three cells: prokaryote, animal and plant. We also understand the function of the organelles in these cells. We may zoom in and see enlarged views of different…
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Investigate. Non-renewable sources of energy
EduBook Organización
- 2735 visitas
Remember what you have studied in this section and answer the questions: Find out what other products are obtained from coal and oil and say what they are used for. Find out how a nuclear power station…
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The transport of substances in plants
EduBook Organización
- 2672 visitas
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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Reproduction in flowering plants
EduBook Organización
- 2617 visitas
Some plant species reproduce asexually, but most plants reproduce sexually. A pollen grain fertilises the egg cell inside the ovule. The sexual organs of spermatophytes (flowering plants) are in the…
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The discovery of the cell
EduBook Organización
- 2563 visitas
The discovery of the cell did not occur until after the invention of the microscope, in 1590. In 1665, the English scientist Robert Hooke published the first description of cells when he examined…
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Different types of roots
EduBook Organización
- 2514 visitas
In some plants, the primary root grows much bigger than the secondary roots of the plant. This is known as the tap root. Many smaller roots grow out from the tap root. Plants with this root system can…
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Learn. Observe photosynthesis
EduBook Organización
- 2459 visitas
Material A geranium Scissors Paper clips Tweezers Aluminium foil A plate Alcohol Iodine A glass jar with a lid A pipette What do we do? During photosynthesis, plants make their own food in the form of…
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