A living organism is unexceptionally differentiated from a non-living structure on the basis of
A
Reproduction
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B
Growth and movement
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C
Interaction with environment
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D
Responsiveness
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Solution
The correct option is D Responsiveness
All organisms, from primitive prokaryotes to most advanced and complex
eukaryotes, are able to sense and respond to environmental factors. The
stimuli are perceived by sense organs in higher animals through sensory
receptors in the eyes, ears, nose etc. Plants do not possess such sense
organs. However, they do respond to external factors such as light,
water, temperature, pollutants, other organisms, etc. Human beings have
an additional facility of self consciousness (awareness of self).
Consciousness and response to stimuli are said to be defining properties
of living organisms.