Unicellular and Multicellular Organisms Review

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.

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Which statement best describes a bacterial cell?

• It contains more than one cell.

• It is a complete organism.

• It is part of a larger organism.

• It contains different kinds of cells

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Which best describes a function of both multi-celled and single-celled organisms?

• to create specialized tissues

• to rely on specialized cells to complete certain tasks

• to obtain energy from nutrients to maintain life and growth

• to complete all life processes within a single cell

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Which organisms are capable of surviving as a single cell?

• algae

• humans

• plants

• mammals

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Which BEST describes ALL unicellular organisms?

• They can specialize to perform only one task.

• They can complete all life functions with a single cell.

• They require transport systems to stay alive.

• Their respiratory systems obtain oxygen for them.

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Which of the following is single-celled?

• dog

• bear

• amoeba

• humans

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Which of the following describes a unicellular organism?

• It specializes to do one specific job.

• it is a microorganism

• It requires the aid of a transport system to stay alive.

• It is multi-cellular.

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Which of the following is true of bacterial cells?

• They have specialized cells.

• They work with other cells to control all their life processes.

• They require help from multi-celled organisms to perform life processes.

• They perform all life processes within a single cell.

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Which of the following would be considered a complete organism?

• heart cells

• lung cells

• blood cells

• bacterial cells

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Any living thing

• cell

• unicellular

• multicelluar

• organism

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