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Abans de començar - La reproducció dels animals
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Objectius didàctics Conèixer les característiques generals pròpies de la reproducció sexual en els animals. Reconèixer la necessitat de la fecundació en la reproducció sexual i distingir-ne les…
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Contesta. Energia i forces
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Recorda el que has treballat en aquest apartat i contesta: Quin canvi es produeix en la forma o en el moviment dels cossos en els casos següents? Es premen els frens d'una bicicleta en marxa. Un…
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Final self-evaluation 03 - The relief and rivers of Spain
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Complete these sentences with the correct words: Spain has 3904 km of on the , 910 km on the Islands and 1126 km on the Islands. The Mediterranean coast can be divided into: the , the Levante coast, the…
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Mediterranean vegetation
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This picture shows a typical Mediterranean landscape. Vegetation in the Mediterranean is adapted to seasonal heat and drought. Human influence has also changed areas of forests to areas of scrubland.…
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Final self-evaluation 07 - The Middle Ages
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Complete the text by putting the following words in the correct spaces: tools animals peasants crops cereals cultivating plague houses pulses hungry In the Middle Ages, most of the population were , who…
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Look and complete. Stems
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Look at the photos of two different types of stem. Complete the sentences: The first photo shows a stem. The second photo shows a stem.
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Answer. Plant nutrition
EduBook Organización
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Remember what you have studied in this section and answer the questions: What is photosynthesis? Why are chloroplasts green? How do algae and mosses get the water and carbon dioxide they need? How do…
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Complete. Plants
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Solve the crossword by writing the word that corresponds to each definition: Plants do this when they absorb oxygen and release carbon dioxide. ➝ These plants grow in dark, damp forests. ➝ The part…
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Think. The fetus
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Answer the following questions: In the last month of pregnancy, the fetus measures about 50cm from head to foot, but the uterus is not that big. How does the fetus fit inside the uterus? Look for a…
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Look and answer. Asexual reproduction
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Look at the photo of the lizard. Why is the regrowing of its tail not considered asexual reproduction? What advantages do you think asexual reproduction has?
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