Explain why some organisms can be both a primary and secondary consumer

Some organisms can be both primary and secondary consumers depending on their position in the food chain. There are some organisms that are omnivores-- an organism that consumes both plants and animals. A perfect example of an omnivores are humans. Humans both consume plants and meat of animals. They can be primary consumers when they directly eat vegetables and fruits. They can also be secondary consumers when they consume the meat of a cow, wherein the cow is the primary consumer who eats plants. 

Because the organisms could be omnivores, meaning that they consume the producers (primary) and also feeds on the organisms in the primary sector (secondary)

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