Organisms that have many cells are known as ​ (a)   and single cells organisms are known as ​ (b)  

• multicellular
• unicellular

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Select the three parts of the cell theory.

• All cells come from pre-existing cells.

• All living things are composed of cells.

• All organisms are composed of cells.

• The cell is the name for the smallest unit of life.

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Determine if the picture is prokaryotic or eukaryotic

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Determine if the picture is prokaryotic or eukaryotic.

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Select all that apply. All living things (biotic)

• are made of cells

• have the ability to reproduce

• are multicellular

• grow and develop

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The invention of the microscope made it possible for people to discover

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All body systems work together to maintain ____.

• cellular diffusion

• nervous system

• homeostasis

• gas exchange

The smallest unit of an organism that can carry out life functions is called a ____.

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This scientist coined the term "cell"

• Virchow

• Schleiden

• Schwann

• Hooke

These two scientists found that all living things are made of cells.

• Matthias Schleiden

• Theodor Schwann

• Robert Hooke

• Rudolph Virchow

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