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Introduction - Animal nutrition
EduBook Organización
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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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End-of-unit activities - Living things
EduBook Organización
- 4556 visitas
There are a great variety of living things on the Earth. Some are microscopic and very simple, like bacteria, and others are very big and complex, like elephants. Even though they are different, all…
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Introduction - Living things
EduBook Organización
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There are a great variety of living things on the Earth. Some are microscopic and very simple, like bacteria, and others are very big and complex, like elephants. Even though they are different, all…
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Complete. Blood vessels
EduBook Organización
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Complete these sentences with the correct words: Blood circulates around our body through tubes called . Arteries carry blood containing oxygen from the to the capillaries. The are narrow blood vessels…
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End-of-unit evaluation - Living things
EduBook Organización
- 1 lo usan
- 4197 visitas
There are a great variety of living things on the Earth. Some are microscopic and very simple, like bacteria, and others are very big and complex, like elephants. Even though they are different, all…
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Summaries - Plant nutrition
EduBook Organización
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1. What plants need Nutrition is all of the processes that living things use to convert the foods they ingest. They transform these nutrients into biomolecules that they need to make cells and tissues.…
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The senses
EduBook Organización
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We receive information on what is happening outside our body through our sensory receptors. These receptors are specialised nerve cells that capture stimuli from outside our body. There are different…
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What plants need
EduBook Organización
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1.1. Plant nutrition Nutrition is all of the processes that living things use to convert the foods they ingest. They transform these nutrients into biomolecules that they need to make cells and tissues.…
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Blood circulation (II)
EduBook Organización
- 3463 visitas
The heart The heart is the organ that pumps blood to all the cells in our body. It is about the size of a closed fist. Its walls are made of muscle tissue. The heart contains four chambers: The two top…
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Answer. Unicellular and multicellular organisms
EduBook Organización
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Remember what you have studied in this section and answer the questions: What are organisms made up of a single cell called? How do they reproduce? What do we call living things that are made up of many…
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