Unit 1 Review

​ ​Letter A and Letter G in this diagram represent the control center of the cell or the ​________. ​

• Nucleus
• Cell Wall
• DNA

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​ ​Letter F is the ​________. ​

• Mitochondria

• Cell Wall
• Cell Membrane

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Letters B and H are the thin flexible barriers that surround the cell called the ​________. ​

• Mitochondria

• Cell Wall
• Cell Membrane

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What is the composition of a living thing?

• The habitat where a living thing resides.
• What the living thing is made of. Example: cells and molecules

• The history of a living thing.

• The physical location of a living organism.

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Both living and nonliving things have a composition of______ and occupy ___________:

• matter and space

• cells and water

• blocks and dirt

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What other characteristics determine if something is living? Choose all that apply

• made of cells

• reproduce

• no cells

• does not reproduce

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Is this unicellular or multicellular? Why?

• Unicellular, performs all life process within the cell.

• Unicellular, has specialized cells for different functions.

• Multicellular, has cells cells for specialized functions.

• Multicellular, preforms all life process within the cell.

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Is this unicellular or multicellular? Why?

• Unicellular, performs all life process within the cell.

• Unicellular, has specialized cells for different functions.

• Multicellular, has cells cells for specialized functions.

• Multicellular, preforms all life process within the cell.

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What is the correct order for least complex to most complex in a living thing?

• Cells, Tissue, Organ, Organ System

• Organ System, Organ, Tissue, Cells

• Cells, Tissue, Organ System, Organ

• Organ, Cells, Tissue, Organ System

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Which two of the following would provide evidence about the difference between plant and animal cells?

Choose 2

• Plant cells get energy by consuming organic matter and animal cells must convert sunlight into chemical energy (sugar) for the cell.

• Animal cells have a cell wall for structural support and protection and plant cells have a flexible cell membrane for shape and movement.

• Plant cells have a cell wall for structural support and protection and animal cells have a flexible cell membrane for shape and movement.

• Animal cells get energy by consuming organic matter and plant cells must convert sunlight into chemical energy (sugar) for the cell.

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