In response to a stimulus like blowing wind, water moves away. Water also absorbs energy from sunlight, using the energy to grow (expand) and even develop (change in structure or function) from liquid form to gaseous form. Is water alive?
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No
Question 1 of 2
Check Your Understanding
Incorrect. Although water may demonstrate a few of the properties of life, water is not alive. Although water responds to blowing wind by moving away, this response is not led by an internal process within a body of water. Additionally, water is not made up of cells and does not reproduce to create new copies of itself with the same information.
The 2000 presidential election was only one example of what could happen in an unusual situation involving the Electoral College. This activity uses hypothetical situations to illustrate how the Electoral College can impact election outcomes. Read each situation and determine election results in these “What If” situations.The Next button appears if you answer the question correctly.
Select the i button before beginning the activity.
Correct. Although water may demonstrate a few of the properties of life, water is not alive. Although water responds to blowing wind by moving away, this response is not led by an internal process within a body of water. Additionally, water is not made up of cells and does not reproduce to create new copies of itself with the same information.
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Question 2 of 2
Correct. Corals do exhibit all of the properties that define life. Corals are composed of cells and absorb energy either through sunlight (some species) or through ingestion of nutrients from algae or other living organisms. Although corals do not move away from predators, they do respond to the stimulus by releasing toxins that injure and/or drive predators away.
In response to a stimulus like approaching predatory fish, corals do not move away. Corals do not actively move around the ocean, but are attached to rock. Are corals alive?
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Incorrect. Corals are alive and exhibit all of the properties that define life. Corals are composed of cells and absorb energy either through sunlight (some species) or through ingestion of nutrients from algae or other living organisms. Although corals do not move away from predators, they do respond to the stimulus by releasing toxins that injure and/or drive predators away.