Modern biological classification systems differ from outdated systems because they consider

a.
biological biodiversity.

b.
environmental changes.

c.
evolutionary relationships.

d.
morphological comparisons.

your answer would be a, maximum exploitation of resources.

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,