Understanding Living Organisms Quiz

Which of the following is a characteristic of all living things?

• Ability to move

• Ability to reproduce

• Having a backbone

• Being green in color

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What is the term for the process by which living organisms maintain a stable internal environment?

• Photosynthesis

• Homeostasis

• Respiration

• Digestion

Which of the following is NOT a living thing?

• Tree

• Dog

• Rock

• Bacteria

Which of the following best describes homeostasis?

• The process of making food from sunlight

• The ability to maintain a constant internal environment

• The movement of organisms from one place to another

• The breakdown of food for energy

Which of the following is an example of homeostasis in the human body?

• Sweating to cool down when hot

• Blinking to keep dust out of the eyes

• Jumping when startled

• Laughing at a joke

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A student observes a moving car and a running dog. Which statement correctly differentiates between the two based on characteristics of living things?

• Both are living because they move.

• Only the dog is living because it can grow and reproduce.

• Only the car is living because it uses energy.

• Both are nonliving because they can move.

Why is homeostasis important for living organisms?

• It allows them to change color.

• It helps them maintain conditions necessary for survival.

• It enables them to move faster.

• It allows them to reproduce more quickly.

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Which of the following scenarios best demonstrates the difference between a living and a nonliving thing?

• A plant growing towards sunlight and a chair remaining unchanged in the sun

• A rock rolling down a hill and a ball bouncing

• A car using fuel and a person eating food

• A book being read and a computer being used

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A person is running a fever due to an infection. Explain how the body’s response to the fever is an example of homeostasis.

• The body increases temperature to kill pathogens, then works to return to normal temperature.

• The body sweats to cool down, but does not change temperature.

• The body ignores the fever and continues functioning as usual.

• The body stops all processes until the fever is gone.

Given a list of items: cat, mushroom, water, and pencil, use reasoning to classify each as living or nonliving and justify your choices.

• Cat and mushroom are living; water and pencil are nonliving because only the first two show all characteristics of life.

• Cat and water are living; mushroom and pencil are nonliving because water is essential for life.

• Cat and pencil are living; mushroom and water are nonliving because pencils are made from trees.

• All are living because they are used by living things.

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