<span>Food
chains and webs not only describe the order in which organisms are eaten, but
they also describe the animals that are all related. To exist with one another,
organisms belonging to a same species either compete for the resources or
divide it amongst themselves, where animals and plants of the same species
co-exist and creates a beauty with nature.</span>
You are testing for the presence of starch: Iodine dissolved in an aqueous solution of potassium iodide - reacts with starch producing a deep blue-black color. This reaction is the result of the formation of polyiodide chains from the reaction of starch and iodine.
The answer is A is you agree no problem im here to help if you disagree its ok i tried my best to help just saying
