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प्रश्न
What criteria do we use to decide whether something is alive?
दीर्घउत्तर
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उत्तर
The following criteria are used to determine if an organism is alive:
- Cellular Organization: All living things are made of one or more cells.
- Metabolism: They obtain and use energy to maintain functions.
- Homeostasis: The maintenance of a stable internal environment.
- Growth and Development: They grow and change over time, driven by DNA.
- Reproduction: They produce offspring to continue their species.
- Response to Stimuli: They react to environmental changes.
- Evolution/Adaptation: Populations adapt to their environment over generations.
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