Question

as a direct result of which life process does a plant make a variety of chemical substances such as poisons,drugs, and flavorings

Answer 1

The choices can be found elsewhere and as follows:

(1.) synthesis
(2.) digestion
(3.) excretion
(4.) respiration

I believe the correct answer is option 1. As a direct result of synthesis process, a plant makes a variety of chemical substances such as poisons,drugs, and flavorings. Hope this answers the question.