Characteristics of life Quiz 1

Characteristic of living things that explains why humans sweat when they get hot?

• maintaining a stable internal environment by processes of homeostasis
• growth and development
• using energy
• ability to reproduce

Organs work together to make the following;

• cells
• organs
• organ systems
• organism

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An organism made of one cell is called

• unicellular
• multicellular
• macroscopic
• heterotrophic

Which one of the following is a characteristic of ALL living things?

• Growth
• Breathing
• Expelling toxins
• Photosynthesis

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All living things are composed of cells. 

• True
• False

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A maggot changing into a fly is an example of 

• reproduction.
• growth and development.
• homeostasis.
• evolution.

An organism that must obtain its nutrients by consuming another organism

• autotroph
• heterotroph
• homeotroph
• xenotroph

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

 Which of the following characteristics of living things best explains why birds fly south for the winter?

• Living things respond to their environment.
• Living things can reporduce
• Living things are made up of units called cells.
• Living things are based on a universal genetic code.

A signal or event that requires a response.

• metabolism
• biosphere
• stimulus
• DNA