Cell Theory

This scientist was the first to identify cells and name them:

• Hooke
• Leeunwenhoek
• Schleiden
• Virchow

This scientist concluded that plants are made of cells:

• Virchow
• Schwann
• Schleiden
• Leeunwenhoek

This scientist concluded that animals and, in fact, all living things are made of cells:

• Hooke
• Leeunwenhoek
• Schleiden
• Schwann

This early cell theory scientist looked in a microscope and discovered "animalcules" in the gunk from his teeth and pond water.

• Schleiden

• Leeowenhoek

• Virchow

• Schwann

This scientist proposed that all cells come from other cells:

• Leeunwenhoek
• Schleiden
• Schwann
• Virchow

Which instrument is credited for helping scientists develop cell theory?

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A microscope is an instrument that.

• makes faraway objects look closer.
• makes small objects appear larger.
• decreases the size of small objects.
• increases the size of small objects.

Which statement was NOT included in cell theory?

• All living things are composed of cells.

• Living cells come only from other living cells.

• Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

• Cells are the smallest structure of living things that can perform the functions necessary for life.

All organisms are made of __________.

• organelles

• cytoplasm

• DNA

• cells

All existing cells are produced by other ____________.

• living cells

• dead cells

• atom cells

• animal cells