Cell Theory/Characteristics of Life Review

Which of the following best describes the relationship between cells and living things in general?

• All living things are made up of one or more cells.

• The larger the living thing, the larger are its cells.

• The number of cells in all living things is the same.

• There is one kind of cell of which all living things are made.

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The cell theory holds true for multicellular and unicellular organisms. Which of the following is NOT true of the cell theory?

• The cell is the basic structural unit of all organisms.

• Organisms are made up of one or more cells.

• An organism may consist of one single cell

• All cells are to be considered nonliving.

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What sort of evidence would support at least one of the components of cell theory?

• Cell are observed converting one form of energy into another.

• Rocks and other nonliving things are composed of cells.

• The origin of all cells can be traced to previous cells.

• A microscope is necessary to make observations of nearly all cells.

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Christopher is learning about the cell theory in science class, and he applies it to a fern that is growing in his bedroom. The cell theory stats that which of the following characteristics of the fern must be true? (FYI: Fern = a plant)

• The fern is made up of compounds that are not cells.

• The fern's cells came into existence spontaneously.

• The fern is made up of a collection of cells.

• The cells that make up the fern are nonliving.

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Ms. Pazulski tells the class of a new species of living thing that was recently discovered in her classroom sink! Cell theory states that which of the following must be true about this new living thing?

• Some of its cells must include a cell wall.

• All its cells must perform the same function.

• Its cells must be able to make their own food.

• It must be made up of one or more cells

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Emma is conducting an experiment and records the number of cells grown in three separate petri dishes over a period of 20 days. A table is provided. The data shown in the table best illustrates which part of cell theory?

• All cells come from preexisting cells.

• All living things are made up of cells.

• Cells are the basic unit of living things.

• Organisms can be single celled or many celled.

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Cells contain structures, called organelles, that carry out specific functions for the cell. Which of the following is NOT true regarding the theory of cells?

• All cells are considered to be living.

• As the cell grows, so does the size of the organism.

• All cells come from pre-existing cells.

• All living things are made up of one or more cells

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An amoeba is a one-celled organism. Cell theory states that which of the following characteristics of amoebas must be true?

• All amoebas come from other amoebas.

• All amoebas have organelles called chloroplasts.

• All amoebas move slowly, using a pseudopod.

• All amoebas have a globular, undefined shape.

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Which of the following are characteristics of living things (characteristics of life)?

• breathing, eating, evolving

• movement, response to stimuli, energy

• growing, homeostasis, reproduction

• energy, cells, a brain

Which of the following characteristics of is shown by the following example: Cells working together form tissues in the body.

• Organisms requires energy to survive.

• We maintain a stable internal environment.

• All organisms adapt and change over time.

• Cells are the building blocks of life.

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