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Observe. Nutrition, breathing and circulation
EduBook Organización
- 2596 visitas
Think and answer: What substances do the children in this photo need to stay active? What about when they are sleeping? Or doing exercise? Look at the photos of the four organs at the top of the page.…
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Final Autoevaluation 1.03 - Plant nutrition
EduBook Organización
- 2518 visitas
Match the definitions to their concepts: The process by which glucose is synthesized from simpler substances using sunlight. This system transports elaborated sap. A tiny pore in the epidermis of leaves…
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Work it out. Animal nutrition
EduBook Organización
- 2498 visitas
Remember what you have studied in this section and answer the questions: Is it possible to find a digestive system that does not use mechanical processes? And chemical processes? Explain your answer.…
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Answer. Nutrition, breathing and circulation
EduBook Organización
- 2373 visitas
Answer the following questions in your notebook: Where in our body can we find microscopic digestive glands? Where are nutrients absorbed? What about water? Explain how the volume of the lungs changes…
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Final Autoevaluation 1.01 - Plant nutrition
EduBook Organización
- 2218 visitas
J. van Helmont's experiment Van Helmont (1577-1644), a Flemish doctor and chemist, thought that in addition to water, air and substances in soil, other elements must be necessary for plant…
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Final Autoevaluation 1.02 - Plant nutrition
EduBook Organización
- 2089 visitas
J. van Helmont's experiment Van Helmont (1577-1644), a Flemish doctor and chemist, thought that in addition to water, air and substances in soil, other elements must be necessary for plant…
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Talk about it. Plant nutrition
EduBook Organización
- 2061 visitas
Where do plants get the substances that they need to carry out their vital functions? Why do plants need the Sun? How does the vital function of nutrition differ in plants and animals? Why are plants so…
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Summaries - Nutrition, breathing and circulation
EduBook Organización
- 2043 visitas
1. Nutrition. Food and nutrients Food enters our body through the digestive system. Food gives us energy to grow and repair our body if we are ill or hurt. We obtain important substances from food to…
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Final Autoevaluation 1.02 - Plant nutrition
EduBook Organización
- 1940 visitas
Graph a shows how the size of the pores in the stomata changes when a plant is exposed to light. Describe the changes: ➞ At... o'clock the pores measure... By... o'clock they... bigger/smaller…
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Final Autoevaluation 1.04 - Plant nutrition
EduBook Organización
- 1878 visitas
To determine the impact of air quality on plant growth, the following experiment was carried out: Tomato seeds were planted in two greenhouses, but all plants received the same care. Carbon dioxide was…
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