DNA and RNA

The food chain below shows the flow of energy between select organisms Which organism in the food web represents a tertiary consumer?

The food web below shows the interactions in a forest ecosystem Which organisms are primary consumers?

Which of the following is not an example of a mutualistic relationship?

A plant that captures and digests small insects
A tapeworm that lives in the intestines of an animal, consuming nutrition from it
A bee that eats nectar from a flower and also pollinates it
A small fish that lives near a shark, feeding from scraps of its prey

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