All organisms must compete for survival true or false

the endomembrane system i think

digestion

it excretes wastes

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,

i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"