Question

Which question could be answered using the process of scientific inquiry?

Why do tuna exist?
What food do tuna like to eat?
When will all of the tuna be gone from the ocean?
How has the average size of tuna changed from year to year?
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Answer 1

Tuna are predatory fish and their diet mainly consists of other fish and invertebrates. The specific food that tuna prefer to eat varies depending on the species of tuna and their size. Generally, tuna prey on fish such as herring, anchovies, sardines, and mackerel, as well as invertebrates like squid and crustaceans. Their diet can change based on the availability of prey in their habitat.