Life Science Review

Eugene drew the following diagram to describe the levels of structural organization of an animal’s body. At the top of the pyramid he put the animal’s body. The level of organization that is least specialized will be at the bottom. Which of the following should Eugene list at the bottom of his diagram?

• Organ

• Tissue

• Cell

• Organ system

Which term best fits the level of organization pictured in the diagram?

• Organ

• Tissue

• Single cell

• Organ system

Tags

NGSS.MS-LS1-3

The diagram shows parts of the human body. These parts work together to help you digest the food you eat.

Which term best describes the entire group of parts that are labeled?

• Organ

• Tissue

• Cell

• Organ system

Tags

NGSS.MS-LS1-3

Which of these statements describes an organ system?

• Many cells working together to perform a function

• Many organs working together to perform a function

• Many cells working separately to perform different functions

• Many organs working separately to perform different functions

Which system in the human body is responsible for transporting blood, nutrients, gases, and wastes?

• Digestive System

• Circulatory System

• Nervous System

• Respiratory System

What is the role of decomposers in an ecosystem?

• To produce energy through photosynthesis

• To consume other organisms for energy

• To break down dead organisms and recycle nutrients

• To compete with other organisms for resources

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which organ is primarily responsible for filtering blood in the human body?

• Heart

• Liver

• Kidney

• Lungs

What is the primary function of the respiratory system?

• To break down food

• To transport oxygen and carbon dioxide

• To protect the body from pathogens

• To produce hormones

Which of the following is something that all cells must be able to do to survive?

• A. Divide

• B. Use oxygen

• C. Remove wastes

• D. Make their own food

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NGSS.HS-LS1-4

The survival of cells depends on maintaining homeostasis.

What will happen to a cell if homeostasis is not maintained?

• The cell will immediately divide.

• Many chemical reactions in the cell will slow down or even stop.

• The cell will eliminate wastes more efficiently.

• Cell processes will continue unchanged.

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