EOG REVIEW: 5.L.1

Which is an example of a single-celled organism?

• amoeba
• insect
• fish
• worm

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NGSS.MS-LS1-1

Why do multicellular organisms need transport systems?

• Most have cells that are unable to grow and survive in their environment.
• Most have cells that are not able to exchange gases with the outside
  environment.
• Most have cells that need food from sources outside their environment.
• Most have cells that require more energy to survive than single-celled
  organisms.

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NGSS.MS-LS2-1

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Which is a function of the cardiovascular system?

• to move water throughout the body
• to provide structural support for the body
• to eliminate waste from the body
• to transport gases throughout the body

Which body system sends electrical signals to all other body systems?

• circulatory system
• digestive system
• muscular system
• nervous system

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 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.

Which system of the human body provides protection to most of the major organs?

• skeletal system
• circulatory system
• respiratory system
• muscular system

Which example best shows structures that make up the digestive system in the human body?

• heart, blood, vessels
• nose, trachea, lungs
• brain, spinal cord, nerves
• esophagus, stomach, intestines

A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?

• size of the cells of the organism
• what the organism eats
• how many types of cells are in the organism
• how fast the organism grows

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NGSS.MS-LS1-1

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Which body system processes foods into a useable source of energy?

• circulatory
• digestive
• nervous
• skeletal