In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as `S_(1) and S_(6)`. The middle four sentences in each have been removed and jumbled up. These are labelled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark accordingly on the Answer Sheet.
`S_(1)` : There is still another important characteristic of living things.
`S_(6)` : And abrupt changes occur too, which are called mutations.
P : One generation is not a perfect copy of the preceding generation.
Q : Plants and animals are not exactly like their parents.
R : That attribute is the capacity to evolve.
S : There is a continual realignment of inherited characteristics.
The proper sequence should be :
(a) P-S-Q-R
(b) R-Q-P-S
(c) Q-S-R-P
(d) R-S-P-Q