S1: Life is hazardous.S6: Everything points to a special kind of arms race with elaborate strategies and counter-strategies for attack and defence.P: And preys have evolved adaptations that reduce the risk of being eaten.Q: Many animals are killed and eaten by other animals.R: And many predators die from starvation because they fail to secure prey.S: Predators have continued to evolve adaptations that enable to locate and kill prey.The proper sequence is:

S1: Life is hazardous.S6: Everything points to a special kind of arms

1.	S1: Life is hazardous.S6: Everything points to a special kind of arms race with elaborate strategies and counter-strategies for attack and defence.P: And preys have evolved adaptations that reduce the risk of being eaten.Q: Many animals are killed and eaten by other animals.R: And many predators die from starvation because they fail to secure prey.S: Predators have continued to evolve adaptations that enable to locate and kill prey.The proper sequence is:
A.	QPRS
B.	QRPS
C.	QRSP
D.	SQRP
Answer» D. SQRP