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Introducció - La reproducció humana
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2198 visitas
Ja saps que tots els éssers vius es reprodueixen, és a dir, originen altres organismes semblants a ells. En aquesta unitat aprendràs com va ser el procés de reproducció que va originar la teva…
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Materials naturals
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1 lo usan

2018 visitas
Classes de materials naturals Els materials naturals, anomenats també matèries primeres, poden tenir tres tipus de procedència: Animal, com la llana, el cuir o la seda. Vegetal, com la fusta o el…
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Avaluació final T16 08 - L'energia
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Quins efectes tenen els gasos que emeten els vehicles i les indústries que cremen combustibles fòssils?
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Look. An Iberian village
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Look at the picture of a Iberian village and answer the questions: What structures protected the village from invasion? What shape were Iberian houses? How is the Iberian village different to the Celtic…
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Complete. Tissues
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2011 visitas
Complete the following text about tissues with the correct words: cells tissues organs different muscle function There are many types of cells in a multicellular organism and they are grouped in…
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Think. The respiration in fish.
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This diagram shows the process of respiration in fish. Look at the diagram and explain the process in your notebook.
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Think. Symmetry
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Looking at the bodies of animals, we can see that they often have a left side and a right side, but not always. Say which of the following animals have left and right sides and which do not: chimpanzee…
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Final evaluation 03 - Human reproduction
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List the main organs of the female reproductive system. Where does the union of sperm and ovum take place?
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End-of-unit evaluation - Animal reproduction
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2201 visitas
In the last unit you learnt how humans reproduce sexually. Most other animals also reproduce sexually, by the fertilisation of an egg by a sperm. This involves the participation of a male and a female.…
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Summaries - Matter and materials
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1. Properties of matter: mass, volume and density Matter is the substance that an object is made of. Matter has two properties: mass and volume. Mass is the amount of matter in an object. Mass is…
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