Cell Theory

Which of the following scientists concluded that all animals are made of cells?

• Rudolf Virchow
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

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Which of the following scientists was the first to observe bacteria?

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

What is one way in which all living things on Earth are alike?

• All living things have hair.
• All living things are made of cells and come from other cells.
• The cells of all living things have chloroplast.
• All living things can move. 

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Who looked at cork and named the cell?

• Robert Hooke
• Van Leeuwenhoek
• Robert Brown
• Francesco Redi

Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?

• The Theory of Gravity
• The Theory of Relativity
• The Cell Theory
• The Theory of Continental Drift

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What tool do you use to view the cells?

• metric ruler
• centrifuge
• microscope
• pipette

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

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The smallest unit that can perform the basic activities of life is

• a cell 
• a tissue
• an organ
• an organism

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What are the 3 parts to the cell theory?

• All organisms are composed of one or more cells.

• The cell is the basic unit of structure.

• All cells come from preexisting cells.

• There are only plant and animal cells.

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NGSS.MS-LS1-1

Cells are often called "the ____ of life."

• bread
• road map
• building blocks
• meaning

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