Human Body Review

Which is a function of the cardiovascular system?

• to move water throughout the body

• to provide structural support for the body

• to eliminate waste from the body

• to transport gases throughout the body

Which body systems work together to allow the body to move?

• nervous and skeletal

• muscular and skeletal

• nervous and circulatory

• muscular and circulatory

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.

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Which best describes a difference between single-celled organisms and multicellular organisms?

• Single-celled organisms are simple, while multicellular organisms are complex.

• Single-celled organisms have many functions, while multicellular organisms have one function.

• Single-celled organisms can live without water, while multicellular organisms cannot live without water.

• Single-celled organisms can only be found in one specific environment, while multicellular organisms can be found anywhere on Earth.

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 is a difference between frogs and bacteria?

• Frogs are able to control all life processes in one cell, while bacteria cannot.

• Frogs are single-celled organisms, while bacteria are multi-celled organisms.

• Frogs are multi-celled organisms, while bacteria are single-celled organisms.

• Frogs must rely on other single-celled organisms for survival, while bacteria are dependent only on themselves.

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

• specialize

• reproduce.

• use energy.

• make protein.

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In which system does the heart work to move blood throughout the body?

• digestive system

• muscular system

• respiratory system

• cardiovascular system

Which organism is best classified as a single-celled organism?

• grasshopper

• pine needle

• bacteria

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NGSS.MS-LS1-1

Why does a human require specialized cells to live?

• Specialized cells allow humans to adapt to changes in their environment.

• Human bodies have systems that require cells with different functions.

• Specialized cells allow for all life processes to occur in one cell.

• Human bodies are simple and require few cells.

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