Question

Which of the following statements regarding the response of living organisms to external stimuli is correct?

• A. The external environmental stimuli can be physical, chemical or biological
• B. All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli
• C. Consciousness and response to external stimuli is the defining property of living organisms
• D. All of these

Answer 1

The correct option is D All of these

Most complicated feature of all living organism is the ability to sense their surroundings or environment and respond to external stimuli which could be physical or biological. All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli.

So the correct option is "All of these".