Recursos educativos eat página 13

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Introduction - Animal nutrition
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Animals are heterotrophic organisms; they cannot make the organic material they need to eat. They can get organic material from other animals and from plants. Plants are the only living things that can…
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We are living things
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Human beings Human beings are living things. We are born, we eat, we grow, we interact with each other, we reproduce and we die. Human beings are different from animals in two ways: We can think. We can…
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Renewable energy sources
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Renewable energy sources The Sun The Sun produces solar energy. It is our main source of energy. Many of the processes on Earth use energy from the Sun. For example, plants use the Sun to make their own…
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Air and life
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We need air to breathe Humans and other animals that live on land need air to live. When we breathe, we take oxygen from the air. With this oxygen and with the food we eat, our body has the energy it…
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Activities - Looking after my body
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We need to look after our body to have a healthy and happy life. We should eat many different types of food to have a balanced diet. We should also do regular physical exercise. It is also important to…
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Energy
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What is energy? Energy makes objects move. It can also make objects change temperature or shape. Machines need different types of energy. For example, cars need petrol or diesel. We call these energy…
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Answer. Worms and molluscs
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Remember what you have studied in this section and answer the questions: What do worms look like? What protects a mollusc's body? What three groups are molluscs classified into? Some worms live in…
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How we breathe in places with no air
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We need air to breathe Humans and other animals that live on land need air to live. When we breathe, we take oxygen from the air. With this oxygen and with the food we eat, our body has the energy it…
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Game: Fatworld
Tiching explorer Organización
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Fatworld is a video game about the politics of nutrition. It explores the relationships between obesity, nutrition, and socioeconomics in the United States of America. We have to construct menus and…
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Food chains and food webs
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To study an ecosystem, it is important to know how living things interact with each other. The most important interaction between the living things in an ecosystem occurs in the food chain. A food chain…
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