What Are Cells?

The building block of living things

• Structure

• Function

• Cell

• unicellular

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Creature with only one cell

• unicellular

• multicellular

• cell

• organism

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Creature with many cell

• unicellular

• multicellular

• cell

• organism

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Any complete living thing

• Cell

• Function

• Structure

• Organism

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What can a scientist use microscope to determine?

• If it is multicellular

• If it is unicellular

• If it can be safely eaten

• If it is non-living

• If it is living

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Prokaryotic organisms are always

• single celled

• multicellular

• non-living

• hungry

• function

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Eukaryotic cells can be found in

• bacteria

• plants

• animals

• fungi

• unicellular organisms

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unicellular organisms are

• eukaryotic

• non-living

• prokaryotic

• structure and function

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What is an example of a function in a part of the body?

• Your arm is made from two bones

• An adult mouth has 32 teeth in it

• Every eukaryotic cell has a nucleus

• The cell wall lets things in and out of the cell

How can a scientist best determine if an organism is multicellular or unicellular?

• See if the cells have organelles

• Look to see how many cells there are

• Determine the size of the cells

• Look it up in an encyclopedia

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