Q#1 - Carnivorous plants decoy insects by sweet scent or color. - Not expecting threats insects sit on the plant. This catches them using mechanical traps or sticky substances. - Then, the plant produces digestive enzymes that break down proteins, fats and sugars which make up the body of the victims for simple compounds which plant can absorb. Q#2. Carnivorous plants grow in mineral-poor soil, raise substances necessary for life from the bodies of trapped animals. They hunt animals, so that the surface on which they grow, no nutrients they need. Q#3.Plants by digesting insects provide each large dose of nitrates are lacking in the soil. Q#4.<span>When a pitcher plant is grown in nitrogen rich soil it grows tall. Insects are it's food source so if it doesn't get any food, it will starve. </span> hope i helped