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UPSC Exams UPSC-CSE Prelims (GS) Environment 2014 Paper-1 Shift-1 +2 -0.5 Easy
Which one of the following is the correct sequence of a food chain ?
Correct Answer: A. Diatoms-Crustaceans-Herrings
Explanation: The food chain follows a sequence from autotrophic diatoms to herbivorous crustaceans and then to carnivorous herrings. Omnivores within this system obtain significant nutritional benefits.
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