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- Representación de la Tierra
- Múltiplos de 7
- Guía de fonética
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- Descargar ejercicios de lengua
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Final evaluation 8 - The Earth, a Living Planet
EduBook Organización
- 3509 visitas
Define the following terms: Prokaryotic cell Eukaryotic cell Plant cell Animal cell Cell organelle
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End-of-unit activities - The Earth, a Living Planet
EduBook Organización
- 3123 visitas
The existence of water and a protective atmosphere were key elements for the appearance of life on Earth. The first cells appeared 3.5 billion years ago. From these early forms of life, different groups…
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Final self-evaluation 03 - The Earth, a Living Planet
EduBook Organización
- 3010 visitas
Classify the chemical elements according to whether they are primary elements, secondary elements or oligoelements: calcium carbon copper hydrogen iron sodium
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Initial evaluation 5 - The Earth, a Living Planet
EduBook Organización
- 2935 visitas
Complete the text with the missing words: Although they seem very , all cells have the same structure: A gelatinous material: . A fine membrane that surrounds the cytoplasm: the membrane. A material…
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Initial evaluation 1 - The Earth, a Living Planet
EduBook Organización
- 2869 visitas
Are the following sentences true or false? Life on Earth first appeared on land. The bodies of all living things contain water. Water helps humans maintain a constant body temperature. The chemical…
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End-of-unit evaluation - The Earth, a Living Planet
EduBook Organización
- 2873 visitas
The existence of water and a protective atmosphere were key elements for the appearance of life on Earth. The first cells appeared 3.5 billion years ago. From these early forms of life, different groups…
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Answer. The chemical composition of living things 2.1
EduBook Organización
- 2539 visitas
What is the difference between chemical elements, bioelements and biomolecules?
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Final self-evaluation 06 - The Earth, a Living Planet
EduBook Organización
- 2505 visitas
Are the following elements characteristic of all cells? cytoplasm chloroplast molecular material nucleus organelle cell wall
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Answer. The chemical composition of living things 2.6
EduBook Organización
- 2421 visitas
Describe the main functions that each of the biomolecules are responsible for in living things?
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Initial evaluation 2 - The Earth, a Living Planet
EduBook Organización
- 2316 visitas
Match each element with its function: nucleus cytoplasm molecular material cell organelle cell membrane
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