Elements of life

An individual living thing that can function on its own is a

(an )

• organism

• cell

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The basic unit of structure and function in all organisms, and the building blocks of life are

• cells

• organisms

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An organism made of one cell is called

• multicellular

• unicelluar

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Organisms made of many cells are called

• multicellular

• unicellular

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Which sentence below is true about cells?

• Plant and animal cells are living.

• Plant and animal cells are non­living.

• Only plant cells are living.

• Only animal cells are living.

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Cells that are microscopic mean they are tiny/small.

• True

• False

Bacteria are each composed of one cell that does not have a membrane-bound organelle. What two terms characterize bacteria?

• Multicellular and Prokaryotic

• Unicellular and Prokaryotic

Four characteristics of living things are

• made of cells, takes in nutrients, need/use water, and respond to the environment.

• made of cells, do not grow, do not reproduce, and need/use water.

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Which statement is true about cell theory?

• Cell theory states that all cells are non­living.

• Cell theory states that cells can come from non­living

  things.

• Cell theory states that all cells arise from other cells.

• Cell theory says animal cells are the only type of

  living cells.

How are cells like building blocks?

• Cells are tough and cannot be broken.

• Cells build on one another to form a structure.

• All cells are weak and break apart.

• Cells need to be stuck together in order for them to

  be strong.

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