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Recursos educativos
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True/false. Characteristics of plants
EduBook Organización
- 3732 visitas
Are the following sentences true or false? Plants are unicellular organisms. The branching structure of roots helps plants to absorb water and nutrients. Plants are capable of making their own food. All…
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Introduction - The economic organisation of society
EduBook Organización
- 3738 visitas
Everything that we consume, such as houses, food and clothes, has been through a variety of processes that have involved human activity. We call the different processes that occur during the production…
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Before you start - The natural environment. Ecosystems
EduBook Organización
- 3655 visitas
Most of the energy used by living things originally comes from sunlight which is trapped by autotrophs (or producers). This energy is then transferred from the producers to all other living things…
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Classification of plants
EduBook Organización
- 3627 visitas
Characteristics of plants Plants have the following charcteristics: They do not feed on other organisms. Instead, they make their own food through photosynthesis. Plants are green because they contain a…
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Simple eggs and complex eggs
EduBook Organización
- 3588 visitas
All eggs protect and provide food for the zygote, and later the embryo. However, there are big differences in size and structure between simple eggs, like frog eggs, and complex eggs, like chicken eggs.…
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End-of-unit evaluation - The economic organisation of society
EduBook Organización
- 3583 visitas
Everything that we consume, such as houses, food and clothes, has been through a variety of processes that have involved human activity. We call the different processes that occur during the production…
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Remember - The natural environment. Ecosystems
EduBook Organización
- 3531 visitas
Most of the energy used by living things originally comes from sunlight which is trapped by autotrophs (or producers). This energy is then transferred from the producers to all other living things…
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End-of-unit activities - The nervous system
EduBook Organización
- 3472 visitas
Right now, you are reading these words and you understand them. If you see food when you are hungry, your mouth starts to water. If you burn your hand, you move it away immediately. You automatically do…
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Introduction - Jobs (II)
EduBook Organización
- 3492 visitas
People who work in the service industry, like teachers and nurses, help other people. Every day we buy food, clothes and other products. This activity of buying and selling is called trade. We buy…