0. How might the channelization of rivers affect populations in river ecosystems? A. Aquatic species might find new food sources.
B. Aquatic species might require different nutrients.
C. Aquatic species might adapt to land environments.
D. Aquatic species might lose the conditions they need to survive.

the missing space is phylum

i think the answer is 95 hope this

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,