Which of the following features can be said to be a true defining feature of living beings without any exception ?
(a) They can digest their food.
(b) Ali of them can reproduce.
(c) They can regenerate
(d) They cart respond to external stimuli.
The correct option is: (d) They cart respond to external stimuli.
Explanation:
The most obvious and technically complicated feature of all living organisms is their ability to sense their surroundings or environment and respond to these environmental stimuli which could be physical, chemical or biological. All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental cues.
