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La literatura en la edad media (II)
EduBook Organización
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Think about it. What plants need
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Remember what you have studied in this section and answer the questions: Why do plants sometimes need fertilisers to grow well? How does the way trees and animals get food differ? Which are autotrophs…
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Learn. The different types of respiration - Animal nutrition
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Diffusion In unicellular organisms, like the amoeba, respiratory gases are exchanged across the whole surface of the body. These gases then cross the cell membranes by diffusion. Tracheal respiration…
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Analyse a text
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Pollen for human consumption Pollen is one of the many health foods or miracle foods that are sold as a food supplement for people with nutritional deficiencies. This plant-based product contains water,…
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Did you know?
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In a hermaphrodite animal, the same individual produces eggs and sperm. Cross-fertilisation usually takes place in these animals: two individuals mate and each one behaves like a male and a female at…
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Classify. Metals and non-metals
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Look at the diagram and answer the questions: Classify the elements in the table into metals and non-metals. Oxygen Nitrogen Chlorine Bromine Zinc Sulphur Sodium Iron Copper Gold Say what the physical…
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Analyse. Learn to build and calibrate a thermometer
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To build a simple alcohol thermometer you can use a conical flask containing alcohol (mercury is toxic), and a capillary tube. Equipment A container to boil water, two beakers, ice cubes, a capillary…
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Final evaluation T05 03 - Society and industrialisation in 19th century ...
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What was the main objective of liberal agricultural reform?
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Europe at the beginning of the 20th century
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1.1. The spread of democracy During the 19th century, most of the industrialised countries established constitutional and parliamentary political systems (the separation of powers, houses of…