Cells Test Review

Charles is reading a book about bacteria. Which statement will Charles most likely read in his book?

• bacteria have one cell that performs many tasks

• bacteria have one cell that performs a single task

• bacteria have many cells and each performs many tasks

• bacteria have many cells and each performs a single task

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Which best describes a function of both multi-celled and single-celled organisms?

• to create specialized tissues

• to rely on specialized cells to complete certain tasks

• to obtain energy from nutrients to maintain life and growth

• to grow

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

• The fish would decrease in size

• The fish would increase in size

• The fish would go hungry

• The fish would die

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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

• amoeba are multi-celled organisms

Sue and Allie read about different kinds of organisms. They read about an organism with a respiratory, digestive, skeletal, and muscular system. Which can Sue and Allie most likely conclude about this organism?

• the organism is unicellular

• the organism is microscopic

• the organism is multicellular

• the organism does not have any cells

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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 single-celled

• It is multi-celled

• It is complex

• It is simple

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How are algae able to survive?

• The algae get energy from other algae

• The algae do not require energy to survive

• The single cell controls all the algae's life processes

• other multi-celled organisms provide food for the algae

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Which best explains why both cats and humans are multicellular organisms?

• they get energy from many food sources

• the get energy from a single food source

• they only need one cell to meet their basic needs

• they need many cells working together to meet their basic needs

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How are multicellular and unicellular organisms different?

• multicellular have more than one cell and are smaller that unicellular

• unicellular have more than one cell and are larger than multicellular

• unicellular have one cell and are smaller than multicellular

• multicellular have one cell and are larger than unicellular

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