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EduBook Organización
- 2024 visitas
A hydra is a type of cnidarian. It is only a few millimetres long and lives in fresh water. Hydras reproduce asexually by budding. The hydra in this photo has a bud growing out of its left side. This…
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Summaries - Nutrition, breathing and circulation
EduBook Organización
- 2031 visitas
1. Nutrition. Food and nutrients Food enters our body through the digestive system. Food gives us energy to grow and repair our body if we are ill or hurt. We obtain important substances from food to…
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Nutrition: food and nutrients
EduBook Organización
- 1976 visitas
Food Food enters our body through the digestive system. Food is important because: It gives us energy to do our daily activities. We need energy to grow, and to repair our body if we are ill or hurt. We…
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Final self-evaluation 01 - Energy
EduBook Organización
- 1729 visitas
Decide if the following statements are true or false: Energy is never created or destroyed, only transformed. ➝ Our main energy source is electrical energy. ➝ Human beings need energy to grow. ➝…
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Complete - Remember
EduBook Organización
- 1732 visitas
Complete: landscapes are landscapes that humans have not changed. Relief, water, and fauna are the features of natural landscapes. landscapes are landscapes that humans have changed. landscapes are…
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Comprehension check
EduBook Organización
- 1753 visitas
Answer the questions. How long ago did the Cambrian Period begin? What was special about the trilobite? Which animal group developed during the Devonian Period? Why did early reptiles develop a leathery…
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Initial evaluation 02 - Plants
EduBook Organización
- 1596 visitas
Match each group with its characteristics: Plants with flowers. ➝ Plants with big leaves and that can grow very tall. ➝ Organisms without chlorophyll that cannot move from place to place. ➝ Plants…
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Comprehension Check (I)
EduBook Organización
- 1655 visitas
Are these sentences true or false? Red and white are the colors of the Canadian flag. There is a big white maple leaf on the Canadian flag. About 128 maple trees grow in Canada. A maple tree can be 45…
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The carbon cycle
EduBook Organización
- 1538 visitas
The carbon present in living things comes from atmospheric carbon dioxide. Plants and algae take in carbon dioxide through photosynthesis. They use it to make the biomolecules which they need to grow.…
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Comprehension Check (II)
EduBook Organización
- 1557 visitas
Correct the false ones. Red and white are the colors of the Canadian flag. There is a big white maple leaf on the Canadian flag. About 128 maple trees grow in Canada. A maple tree can be 45 meters tall.…