Respuesta :
---C---- if brown snails are mostly eaten that most likely means they are more common. If less than snails are eaten then stripedsnails would eventually over populate brown snails and then brown snails would overpopulate striped snails ..... so elminate b and d and snails probably won't go extinct..... so I would have to go with c
i think that the answer is C because in the paragraph it shows that the the sea gulls perfer the solid brown shells with snails, than the striped