Class 12 NEET Biology Ecosystem Questions

Concept:Primary consumers are organisms that feed directly on producers (plants) in a food chain. They occupy the second trophic level.Explanation:A food chain starts with producers (plants) that make their own food. The next level is primary consumers, which eat plants. These are herbivores. Carnivores, predators, and parasites feed on other animals and are not primary consumers. Carnivores and predators are secondary or tertiary consumers. Parasites can be on any trophic level but are not exclusive primary consumers. Only herbivores directly consume producers. Thus, among the given options, herbivores are the primary consumers.Answer:The correct option is D. Herbivores.