Cell Theory

The smallest unit that can perform all processes necessary for life is a(n)

• Cells

• Bacteria

• Organism

• Organ

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True or False: Organisms can be Unicellular or Multicellular.

• True

• False

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Which is NOT one of the components of the cell theory?

• Cells carry out the functions needed to support life.

• Everything once had cells.

• Every living thing is made up of one or more cells

• Cells come from other living cells.

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Where do cells come from?

• Other cells that are alike

• Other cells that are different

• The new cells appear on their own

• Dying cells

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Who worked together to come up with Cell Theory?

• Schwann, Virchow, Hooke

• Hooke, Leeuwenhoek, Schwann

• Schwann, Virchow, Schleinden

• Schleinden, Hooke, Leeuwenhoek

Which of the following is part of Cell Theory?

• All living things are made of cells.

• All living things are not made of cells.

• All living things are made of more than one cell.

• Every kind of cell is the same size.

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Which of the following is part of Cell Theory?

• Every kind of cells has the same parts inside.

• There are no parts of a cell.

• Cells come from existing cells.

• Every kind of cell is the same size.

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Which of the following is part of Cell Theory?

• DNA is the basic building block of life.

• Cells are the basic building block of life.

• All cells do the same thing.

• All cells are the same size.

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What scientific tool helped scientists discover and learn more about cells?

• Telescope

• Miniscope

• Stethoscope

• Microscope

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What makes something living?

• It can hear.

• It is made of cells.

• It breathes in oxygen.

• It doesn't reproduce.

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