Rationale
describe how a starfish conquers its prey.
The passage primarily focuses on the method by which a starfish captures and consumes its prey, particularly emphasizing its unique approach of using hydraulics to open shells and its distinctive feeding mechanism involving the ejection of its stomach.
A) describe the physical characteristics of starfish
This choice implies a focus on the anatomical features of starfish, but the passage does not delve into their physical traits. Instead, it centers on their predatory behavior and feeding techniques, making this option irrelevant to the main theme of the text.
B) suggest that the starfish is the most fearsome predator in the sea
While the passage highlights the starfish's predatory nature, it does not assert that it is the "most fearsome" predator. The language used describes its capabilities without comparing it to other sea creatures, thus making this choice an exaggeration of the text's intent.
C) specify a weakness in the defenses of the starfish
This option suggests the identification of vulnerabilities in starfish, which the passage does not address. Instead, it illustrates the starfish's effective predatory strategies without mentioning any weaknesses, rendering this choice incorrect.
D) describe how a starfish conquers its prey
This is the correct choice, as the passage explicitly details the starfish's method of capturing prey, including its hydraulic abilities and stomach ejection technique, showcasing its conquering behavior effectively.
E) discuss a stage in the life of the starfish
This choice implies a focus on the developmental phases of the starfish, but the passage does not mention growth stages or life cycles. Instead, it concentrates on predatory actions, making this option unrelated to the passage's main purpose.
Conclusion
The passage effectively describes the predatory behavior of the starfish, focusing on its method of conquering prey rather than its physical characteristics, vulnerabilities, or life stages. Understanding how the starfish utilizes its unique feeding strategy provides insight into its role as a predator in the marine ecosystem.