Unit 2 Check 1: Characteristics & Themes of Biology, Cell Theory

A plant growing towards the light is an example of 

• reproduction.
• responding to a stimuli.
• metabolism.
• homeostasis.

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A maggot changing into a fly is an example of 

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

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The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

An amoeba is a unicellular organism. Which characteristic of life is this?

• All living things use energy
• All living things contain cells
• All living things respond to their environment
• All living things grow

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 All organisms contain instruction molecules that help determine which traits the organism will have is an example of 

• universal genetic code (DNA/RNA)
• metabolism
• evolution
• growth and development

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A group of cells that work together to perform the same function.

• colonial
• tissue
• organ
• unicellular

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A group of tissues that works together for a common function is called ___.

• organ
• cell
• organ system
• organism

An organized group of related parts that interact to form a whole

• System

• Ecosystem

• Evolution

• Biosphere

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Groups of organs working together to carry out an important life process are called . . .

• cytoskeleton

• organisms

• organelles

• organ systems

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Which statement reflects one of the major components of the cell theory?

• All living things are multi-cellular.
• All cells come from previously existing cells.
• Organs are the basic unit of structure and function for all living things.
• Every organism has a reproductive system to ensure survival of the species.

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