Characteristics of Life

A _____ is something in the environment that causes an organism to respond.

• stimulus
• response
• cause
• effect

When a baby kitten becomes an adult cat, this is an example of...

• energy metabolism
• growth and development
• response to stimuli
• having cells

Tags

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Living things are based on a universal genetic

code. What molecule is responsible for that code?

• RNA

• Lipid

• Protein

• DNA

Tags

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The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

• absorption

• metabolism

• digestion

• consumption

Tags

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Maintaining a stable internal

environment is called

• homeostasis

• equilibrium

• balance

• evenness

A reaction to a stimulus is a ______________.

• hiccup
• response
• metabolism
• homeostasis

Identify the characteristic: when you step out into the cold, your body shivers in order to keep its temperature at 98.6^oF.

• All living things use energy

• All living things contain cells

• All living things maintain homeostasis

• All living things grow and develop

Identify the characteristic: green plants produce their own food through the process of photosynthesis.

• All living things use energy

• All living things contain cells

• All living things maintain homeostasis

• All living things grow and develop

Tags

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Identify the characteristic: a caterpillar hibernates in a cocoon and emerges as a butterfly.

• All living things adapt to their environment

• All living things use energy

• All living things respond to their environment

• All living things grow and develop

Tags

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Which of the following is a response?

• a flashlight shined into the eye

• a rubber band popping your hand

• your pupils constricting when exposed to bright light

• blood glucose levels drop significantly

Tags

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