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Engineering Exams RRB-JE JE (Junior Engineer) CMA (Chemical and Metallurgical Assistant) DMS (Depot Material Superintendent) CS (Chemical Supervisor - Research) MS (Metallurgical Supervisor - Research) 2019 24.05.2019 Paper-1 Shift-1 Easy +1 -0.33 General Science
An organism feeding on multiple hosts in its lifetime is called-
Correct Answer: D. Predator
Explanation: The correct answer is Predator. A predator is an organism that survives by consuming multiple prey individuals throughout its life. This distinguishes it from other biological relationships: - Predators: They typically kill their prey and require several different individuals to sustain themselves over their lifetime. - Parasites: Unlike predators, parasites generally live on or inside a single host for a significant period. While they derive nutrients from the host and may cause harm or disease, they rarely kill the host immediately, as they depend on it for survival. - Parasitoids: These organisms are similar to parasites in that they develop using a single host; however, the relationship always ends with the host's death. - Saprophytes: These are decomposers that feed on dead or decaying organic matter rather than living hosts.
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