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Questions and Answers
What is the basic unit of life that can perform all necessary life processes?
What is the basic unit of life that can perform all necessary life processes?
How do plants obtain energy compared to animals?
How do plants obtain energy compared to animals?
What is the term used for a characteristic that enhances an organism's ability to survive in its environment?
What is the term used for a characteristic that enhances an organism's ability to survive in its environment?
Which process allows living organisms to produce new individuals of their species?
Which process allows living organisms to produce new individuals of their species?
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What is the term for the various processes that maintain life within an organism?
What is the term for the various processes that maintain life within an organism?
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What can be considered a stimulus in an environment?
What can be considered a stimulus in an environment?
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Which type of adaptation involves a structural feature of an organism?
Which type of adaptation involves a structural feature of an organism?
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Which of the following characteristics is NOT essential for the survival of an individual organism, but is necessary for species survival?
Which of the following characteristics is NOT essential for the survival of an individual organism, but is necessary for species survival?
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Study Notes
Characteristics of Living Things
- Living things have six key characteristics: organization, energy, environment, reproduction, growth, and adaptation.
- Organization: Living things are made of cells. Cells form tissues, tissues form organs, organs form body systems, and body systems form a whole organism. The cell is the basic unit of life.
- Energy: Living things need energy to function. Plants get energy from the sun to make their own food, while animals get energy from the food they eat. Nutrients provide the energy and materials organisms need to grow, develop, and reproduce. Metabolism is the sum of all processes in an organism to sustain life.
- Environment: Living things respond to and adapt to their surroundings.
- Reproduction: Living things come from other living things, producing new organisms of the same type. Reproduction isn't necessary for an individual organism to survive, but it is crucial for a species' continuation.
- Growth: Organisms grow and develop. Cells can be replaced when they are damaged or worn out, and body size and shape can change.
Responding to Environment
- A stimulus is anything that causes a living thing to respond.
- The reaction to a stimulus is known as a response.
Growth and Development
- Living things have the ability to replace worn out or damaged cells.
- Growth and development involve increases in size, and changes in shape.
Reproduction
- Living things arise from other living things.
- Reproduction is required for the survival of a species, not necessarily for the survival of an individual organism.
Adaptations
- Adaptations are characteristics that allow organisms to survive in their environment.
- There are two types of adaptations:
- Structural: Physical features of an organism
- Behavioral: Actions an organism takes.
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Description
Explore the six fundamental characteristics that define living organisms. This quiz covers organization, energy needs, environmental interactions, reproduction, growth, and adaptation. Test your knowledge on how these traits contribute to the survival of species.
