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Questions and Answers
What distinguishes living things from non-living things?
What distinguishes living things from non-living things?
- Highly organized molecules containing nitrogen atoms
- Organic molecules containing carbon atoms (correct)
- Inorganic molecules lacking carbon atoms
- Highly reactive molecules
Why do scientists struggle to define life?
Why do scientists struggle to define life?
- Life involves highly organized molecules
- Life is too complex to define (correct)
- Life does not have specific attributes
- Life does not follow any patterns
What is required to maintain a living organism?
What is required to maintain a living organism?
- Irregular bursts of energy
- No energy at all
- A constant supply of energy (correct)
- Energy from inorganic sources
How are living organisms believed to be formed or produced?
How are living organisms believed to be formed or produced?
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Which type of molecules are living things observed to contain?
Which type of molecules are living things observed to contain?
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What do the characteristics of living things help in doing?
What do the characteristics of living things help in doing?
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Study Notes
Characteristics of Living Things
- Living things possess attributes that distinguish them from non-living things.
- These attributes are difficult to define, but they are observed in the activities of life.
- Living things are highly organized, consisting of carbon-containing molecules known as organic molecules.
- The formation of a living organism requires the arrangement of millions of atoms or molecules in an orderly and complex manner.
- This process requires a lot of energy, and a constant supply of energy is necessary to maintain a living organism.
- The characteristics of living things are a set of attributes, activities, and phenomena that distinguish them from non-living things.
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