Multicellular Organisms

Fish are multi-celled organisms with specialized cells. What would most likely happen if their specialized cells did not function properly?

• The fish would increase in size.

• The fish would decrease in size.

• The fish would die.

• The fish would grow and thrive.

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Why do humans require many different types of cells to survive?

• Human cells are identical and work together to perform the same function.

• Human cells are specialized and work together to perform the same function.

• Human cells are identical and work independently to perform different functions.

• Human cells are specialized and work independently to perform different functions.

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Which is the best way to classify grasshoppers?

• Grasshoppers are multi-celled organisms because they are made up of one cell that carries out all of their life processes.

• Grasshoppers are single-celled organisms because they are made up of one cell that carries out all of their life processes.

• Grasshoppers are single-celled organisms because they are made up of many cells that carry out all of their life processes.

• Grasshoppers are multi-celled organisms because they are made up of many cells that carry out all of their life processes.

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

• reproduce

• specialize

• get rid of waste

• use energy

Multicellular organisms are made of . . .

• one cell

• many cells

• no cells

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Describe the cells in a multicellular organism compared to a single-celled organism.

• The cells are different to perform specialized jobs.

• The cells are identical.

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Which best describes the main job of most cells in a multicellular organism?

• Cells work to keep themselves alive.

• Cells work to keep the organism alive.

• Cells work to release needed materials.

• Cells work to store unneeded materials.

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In a multicellular organism . . .

• cells are not alive

• cells do not need energy

• cells are identical

• cells are part of a complex organism

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Multicellular organisms have large numbers of specialized cells to perform a variety of functions.

• True

• False

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How are single-celled organisms and multicellular organisms similar?

• Both need food for energy and growth.

• Both require the interaction of many cells to survive.

• Both have skeletal systems for support.

• Both are able to carry out all life functions in only one cell.