Recursos educativos página 18586

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Raona. El fetus
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Raona i contesta les preguntes següents: En el darrer mes de l'embaràs el fetus fa uns 50 centímetres del cap als peus, però l'úter no s'allarga tant... Què fa el fetus per tal de…
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Completa. La reproducció humana
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Completa les següents frases amb aquestes paraules: testicles – cèl·lules – zigot – cordó umbilical – ovaris – embrió – úter L'aparell reproductor masculí està format pel…
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Identify. The relief of Spain
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Imagine that you have to travel from Santander to Málaga. Look at the diagram and put in order the landforms you will meet on your journey:
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How did Neolithic people make metal objects?
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In the Metal Age, people who worked with metals were called smiths. They learnt to use fire and heat to make metal tools. They did this in the following way: Heating. The smiths heated the metal ore to…
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Fungi - Fungi
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Fungi are an important group of living things. This group includes mould and mushrooms. Fungi are different from animals and plants. Like animals, fungi feed on organic matter from other organisms.…
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Select. The fetus
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Choose the correct answer to the following question: In what stage of pregnancy does the fetus start to look like a baby?
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Find out more
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The words adolescence and puberty do not have the same meaning. When we talk about puberty, we refer to the physical changes in the body during adolescence. Puberty happens at different ages for boys…
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End-of-unit evaluation - Human reproduction
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Reproduction is an essential function in human beings. It enables humans to produce individuals similar to themselves. In this unit you will learn how the reproduction that started your life occurred.…
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The metamorphosis of a butterfly
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This diagram shows the metamorphosis of a butterfly. After it is born, the butterfly goes through three stages: Larva (caterpillar): it hatches from the egg and begins eating and growing. Pupa…
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Select. The development of the young
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Choose the correct answer to the following question: In indirect development, what are the young called?
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