Animal Body Systems Quiz

Which of these is true of all animals?

• They are producers.

• They are unicellular.

• They are multicellular.

• They reproduce asexually.

Eugene drew a diagram to describe the levels of structural organization of an animal’s body. He will list the cell at the bottom of the pyramid as both the least specialized and the most numerous. Which of these should he list in level 1 of the diagram?

• organ

• tissue

• organism

• organ system

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How are dermal tissues in plants and epithelial tissues in animals similar?

• They offer protection.

• They produce movement.

• They function as a messaging system.

• They support and connect parts of the organism.

The diagram shows a human brain and spinal cord. Which type of tissue makes up most of the brain and spinal cord?

• muscle

• nervous

• epithelial

• connective

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Most animals share many characteristics. They are multicellular, they reproduce sexually, they have specialized parts, and they can move. What is one other characteristic most animals share?

• They eat other organisms to gain energy.

• They have appendages like arms and legs.

• They breathe oxygen through their mouth.

• They absorb energy from sunlight in the process of photosynthesis.

Which organs and organ systems in humans work together to collect information about the external environment?

• Nervous system and sensory organs

• Digestive system and liver

• Respiratory system and lungs

• Circulatory system and heart

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Which two body systems work together to allow animal bodies to move?

• Nervous and Digestive systems

• Muscular and Skeletal systems

• Respiratory and Circulatory systems

• Endocrine and Lymphatic systems

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

• cell

• tissue

• organ

• organ system

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What can you conclude about the tongue from this diagram?

• It is not part of an organ system.

• It is made of just one type of organ system.

• It is an organ that works as part of a system to perform a function.

• It is made of two or more types of organs that work together to perform a function.

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Which organ system is responsible for transporting oxygen and nutrients throughout the body?

• Nervous System

• Circulatory System

• Respiratory System

• Excretory System