The correct option is
C A- 3, B- 4, C- 5, D-6, E- 1, F- 2The period from birth to the natural death of an organism represents its life span.Life Span of Rose is approx 5-7 years.
Life Span of Elephant is approx 60-70 years.
Life Span of Dog is approx 10-20 years.
Life Span of Butterfly is approx 1-2 weeks.
Life Span of Crow is approx 15 years.
Life Span of Crocodile is approx 60 years.
Therefore correct answer is option C.