The cell

What is an organ?

• Groups of similar types of cells that work together to carry out a specific task

• Groups of different tissues working together to perform a particular job

• Groups of different organs working together to complete a series of tasks

• The smallest unit of life

What is a tissue?

• Groups of similar types of cells that work together to carry out a specific task

• Groups of different tissues working together to perform a particular job

• Groups of different organs working together to complete a series of tasks

• The smallest unit of life

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What is an organ system?

• Groups of similar types of cells that work together to carry out a specific task

• Groups of different tissues working together to perform a particular job

• Groups of different organs working together to complete a series of tasks

• The smallest unit of life

What is a cell?

• Groups of similar types of cells that work together to carry out a specific task

• Groups of different tissues working together to perform a particular job

• Groups of different organs working together to complete a series of tasks

• The smallest unit of life

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What is an organism?

• Groups of similar types of cells that work together to carry out a specific task

• Things that have all the characteristics of life

• Groups of different organs working together to complete a series of tasks

• The smallest unit of life

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What two ways are eukaryotic cells different from prokaryotic cells?

• Eukaryotic cells are more complex.

• Eukaryotic cells have a nucleus.

• DNA floats in eukaryotic cells

• Most eukaryotic cells are in single celled organisms

What tool do you use to view the cells?

• metric ruler
• centrifuge
• microscope
• telescope

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All living things are made up of...

• cells
• cell tissues
• organ
• organ systems

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An organism made of one cell is called

• unicellular organism
• multicellular organism

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Which of the following scientists was the first to observe bacteria under a microscope?

• Anton van Leuwenhoek
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

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