unicellular organism & multicellular organism

Which best describes all unicellular organisms?

• Every cell is round

• Every cell can make food.

• Every cell can move on its own.

• Every cell performs all life functions.

A single-cell organism can do everything a cell from a multicellular organism can do except

• specialize

• reproduce

• use energy

• make protein

Which organisms are capable of surviving as a single cell?

• bacteria

• humans

• plants

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Which is an example of a single-celled organism?

• acorn

• amoeba

• honey bee

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Which states a difference between an animal and an amoeba?

• An animal is made up of only one cell and an amoeba is made of many cells.
• An animal is found on land and an amoeba is found in water.
• An amoeba is single-celled and an animal is multicellular.
• An animal is a living organism and an amoeba is a non living organism

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Fungi and bacteria are both single-celled organisms. What do they most likely have in common?

• Both fungi and bacteria are large organisms.
• Both fungi and bacteria can carry out all life functions in their one cell.
• Both fungi and bacteria need sunlight and nutrients from the soil to be able to grow.
• Both fungi and bacteria are highly specialized to do only one job so they must work with other cells to obtain food.

Which characteristic do single-celled organisms and multicellular organisms have in common?

• Both have cells with specialized functions for each life process.

• Both perform all life processes within one cell.

• Both have a way to get rid of waste materials.

• Both are able to make food from sunlight.

Which best describes a multi-celled organism?

• basic
• simple
• uniform
• complex

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True or False:

Single-celled organisms are able to live as one cell, and multi-celled organisms need many cells to live because each cell has specialized job.

• True

• False

An organism made of only one cell is called _____ .

• Eukaryotic

• Mutlicellular

• Monocellular

• Unicellular

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