Predators and prey can be Carnivores, Omnivores, and Herbivores because there are many animals that eat a certain way Ex: A raccoon is a predator, but it also has the ability to digest and eat meat as it would usually eat fruits like grapes. Another example is a rabbit who eats vegetables and sometimes are known to eat meat at harsh moments.
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an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.