What is the main idea of the passage "Cells: The Building Blocks of Life"?

• The history of how cells were discovered.

• The different types of cells in the human body.

• Cells are the basic building blocks of all living things.

• How to use a microscope to see cells.

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Main idea

Why did the author write this passage?

• To persuade readers to become scientists.

• To entertain with stories about cells.

• To inform readers about the importance and functions of cells.

• To describe how to use a microscope.

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Author's purpose

What can be inferred about cells from the passage?

• They can be seen without a microscope.

• They work independently and don't affect each other.

• They are important for the body to function properly.

• All cells look the same.

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Evidence and inferences

What does the term 'nucleus' mean in the context of this passage?

• A type of cell.

• A tool to see cells.

• The control center of a eukaryotic cell.

• A disease that affects cells.

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Vocabulary