The Cell Theory

An Amoeba is a unicellular, animal-like protist that lives in ponds and streams. According to cell theory, where did this cell come from?

• another pre-existing amoeba cell.

• a multicellular organism.

• energy from sun that allowed the protist to reproduce.

• the nonliving environment.

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

• The Theory of Gravity

• The Cell Theory

• The Theory of Relativity

• The Theory of Continental Drift

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What tool do you use to view the cells?

• metric ruler

• centrifuge

• microscope

• telescope

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Which of the following is NOT a cell theory.

• All non-living things are made of cells

• Cells are the basic unit of structure and function of all living things

• All cells come from pre-existing cells

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All living things are made up of...

• organ

• cell tissues

• organ systems

• cells

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All cells come from___________ cells.

• pregnant

• paternal

• pre-existing

• pin size

Rocks are not living because

• they never move

• they are not made of cells

• they aren't needed for humans

• they don't break down

What is the basic structural and functional unit of all living things?

• human

• cell

• molecule

• atom

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All cells are produced ____________.

• from other pre-existing cells

• Cells can come from anywhere, as long as there is the sun.

• From pre-existing and deceased cells

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An organism made of one cell is called

• unicellular organism

• multicellular organism

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