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Recursos educativos
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Classes de plomes
EduBook Organización
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Les plomes estan fetes de ceratina, la mateixa substància que constitueix els pèls dels mamífers i les escates dels rèptils. Les plomes dels ocells són molt lleugeres. Estan formades per un eix…
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Tria la resposta. La fotosíntesi
EduBook Organización
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Tria la resposta correcta a la següent pregunta: Què necessiten les plantes per realitzar la fotosíntesi?
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Interpret. Main rivers of the Atlantic watershed
EduBook Organización
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Look at the graph and answer the questions. Which is the shortest river in the Atlantic watershed? Are the rivers that cross the Meseta longer than the Andalusian and Galician rivers?
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Subtropical climate and vegetation
EduBook Organización
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Subtropical climate The Canary Islands are in the Earth's tropical zone. They have a subtropical climate. Winters are warm and summers are moderately hot. The climate is strongly influenced by the…
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Classify. Living things
EduBook Organización
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We classify living things into four main groups. All living things that belong to the same group have some common characteristics. The four main groups are: animals, plants, fungi and unicellular…
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Answer. Arthropods
EduBook Organización
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Remember what you have studied in this section and answer the questions: What is a characteristic feature of arthropods? How many groups of animals are classified as arthropods? Which is the most…
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Answer. Human reproduction and sexual differences
EduBook Organización
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Remember what you have studied in this section and answer the questions: How is a zygote formed? What does a zygote develop into? What do we call male human beings? And female human beings? Give some…
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Find out more
EduBook Organización
- 1784 visitas
Every month, one of the ovaries releases an ovum, and the lining of the uterus thickens in order to receive the future zygote. If the released ovum is not fertilised, it dies after a few days. It leaves…
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Select. The egg
EduBook Organización
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Choose the correct answer to the following question: In which type of animals does the embryo develop inside an egg?
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How to convert millilitres to litres and vice versa
EduBook Organización
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We use the same method to convert volume as we use to convert mass. To convert from millilitres to litres, we divide by 1000. If a bottle contains 200 ml of water, its volume in litres is: 200 / 1000 =…
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