Cells

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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Mr. Cooper is teaching his students about cells. He gives the following description of an organism:

This organism can only be seen through a microscope. In addition, it does not depend on other cells to survive. It can independently perform all of its major functions needed to survive.

Which BEST describes this organism?

• It is a single-celled organism.

• It is a mult-celled organism.

• It is a complex organism.

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NGSS.MS-LS1-1

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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NGSS.MS-LS1-1

Which statement describes the cellular make-up of a deer?

• Deer are made of one cell that carries out one life process.

• Deer are made of one cell that carries out all different life processes.

• Deer are made of many cells that are specialized to carry out different life processes.

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Which BEST explains how a single-celled organism can survive without other cells?

• They do not need any substance from outside the cell.

• They are able to perform all necessary functions within one cell.

• They do not need to perform more than one function to survive.

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Which is an example of a single-celled organism?

• amoeba

• insect

• fish

• worm

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How do bacteria control their life processes?

• Bacteria control their life processes within multi-cells.

• Bacteria control their life processes within a single cell.

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

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Fungi and bacteria are both single-celled organisms. What do the 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.

Which BEST explains why animals need many cells.

• to produce their own food

• to remove waste materials

• to perform all the functions necessary for life

• to take in carbon dioxide and release oxygen

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Which BEST explains why amoeba are able to survive without specialized cells?

• Amoeba are able to survive with the help of specialized cells.

• Amoeba are able to survive with the help of other organisms.

• Amoeba are able to survive because they carry out all life functions.