Why might an organism have more than one arrow coming from them in the food web

some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

a is the correct answer