Match List-I with List-II:
List-I A. Tertiary consumer B. Secondary consumer C. Primary consumer D. Primary producer
List-II I. Grass II. Lion III. Wolf IV. Goat
A-II, B-III, C-IV, D-I
A-IV, B-III, C-II, D-I
A-I, B-II, C-III, D-IV
A-III, B-II, C-I, D-IV
In an ecosystem, the trophic levels are arranged based on feeding relationships. 1. Primary Producers are autotrophs like Grass that produce food via photosynthesis . 2. Primary Consumers are herbivores like Goats that feed directly on producers . 3. Secondary Consumers are primary carnivores like Wolves that feed on herbivores . 4. Tertiary Consumers are top carnivores like Lions that feed on other carnivores .
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