Which one of the following organisms represents the primary consumer c

Which one of the following organisms represents the primary consumer category in an ecosystem ?

Caterpillar

Crabapple tree

Frog

Sparrowhawk

Answer is Right!

Answer is Wrong!

This question was previously asked in

UPSC NDA-1 – 2019

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The correct answer is A) Caterpillar.

In an ecosystem, producers are organisms (usually plants) that produce their own food through photosynthesis. Primary consumers are herbivores that feed directly on producers. Secondary consumers are carnivores or omnivores that feed on primary consumers. Tertiary consumers feed on secondary consumers, and so on. A Crabapple tree is a producer (plant). A Caterpillar is typically a herbivorous larva that feeds on leaves (producers), making it a primary consumer. A Frog is a carnivore (e.g., eating insects), making it a secondary or tertiary consumer. A Sparrowhawk is a bird of prey that feeds on other animals (e.g., birds, small mammals), making it a secondary or tertiary consumer.

The different categories of consumers represent trophic levels in a food chain or food web. Primary consumers occupy the second trophic level. Identifying the trophic level of an organism depends on its feeding habits within a specific ecosystem context.

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