Recursos educativos página 6349

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Reproduction in mammals
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3.1. Reproduction in mammals Mammals reproduce by internal fertilisation. They are viviparous. Males have a penis that they use to introduce sperm into the female's body. Fertilisation then takes…
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Talk about it. Animals and plants
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Look at the picture and answer the questions. How do animals perceive changes in their environment? How do they respond to these changes? Do all animals have the same sense organs? How do plants respond…
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End-of-unit activities - Interaction, adaptation and coordination in ani...
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The functions of interaction coordinate an organism's vital functions. They help individuals interact with and adapt to their environment. Living things constantly receive a large amount of…
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The natural environment
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1.1. The energy of the sun and life The ecosphere is a hypothetical zone existing around any star where the temperature allows life to exist. The conditions which make it possible for life to exist on…
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Interpret. Tectonic plates
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Look at the map and answer the questions: Which is the largest plate? Which is the smallest? Which plates are only oceanic? On which plates is the Atlantic Ocean located? On which plate is the Iberian…
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Remember - Obtaining and using energy
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Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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Calculate. The nature of light (3)
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Light from the Sun takes 8 minutes to reach the Earth. If you know the speed of light in space, what is the distance between the Earth and the Sun? There is a distance of ×10 kilometers between the Sun…
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Complete. The first nationalist movements
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Complete the sentences about the first nationalist movements in Europe with the missing words: had been part of the Empire for centuries. Greece rebelled against the Ottoman Empire in . In , France and…
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The 'Roaring Twenties'
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1.1. The United States of America the world's leading power While the First World War had been an economic disaster for Europe, the United States benefited enormously from the conflict. By supplying…
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Actuar
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Actuar ¡Salvado!
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