Which of the following ecologists has tried to put price-tags on nature’s life support services ?

1. A. Robert May
2. B. David Tilman
3. C. Robert Constanza
4. D. Paul Ehrlich

Attempt this NEET 2017 Biology question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.