Reproduction is essential for living organisms in order to
(a) keep the individual organism alive
(b) fulfill their energy requirement
(c) maintain growth
(d) continue the species generation after generation
Answer: The correct answer is (d) continue the species generation after generation
Solution: Reproduction is essential for the survival of the species because it helps in producing new generations of the same species. All other life processes are essential to keep the organisms alive. Hence, (d) is the correct option.