El niño events are characterized by warmer than normal ocean temperatures near the equator in the pacific ocean. which weather events are most likely to occur as a result?

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.  

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,