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12 November, 20:48

How do you know if something is alive describe some of the characteristics of living things

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  1. 12 November, 22:21
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    We can determine if something is a living thing by seeing if they show some of the living characteristics. These characteristics include:

    Reproduction - to make more of the same organism

    Sensitivity - the ability to detect and react to stimuli

    Nutrition - eat and digest food.

    Movement - the ability to change its position or location

    Respire - to breathe / gas exchange

    Excretion - get rid of toxic / materials in excess

    All living things show the characteristics above.

    For example, we can be sure that robots are not living things because they cannot excrete, respire, or reproduce even if they can move and sense stimuli from outside. We can also be sure that plants are living because they show all characteristics, even for movement, we don't obviously see that, but for example, they may grow towards a light source.
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