Carnivorous plants like Nepenthes and Venus flytrap have nutritional adaptations. Which nutrient do they especially obtain and from where?

Solution: Carnivorous plants like Nepenthes and Venus flytrap grow in nitrogen-deficient soil which causes them to have a nitrogen deficiency. So, since they grow on nitrogen-deficient soil, they make use of it by killing insects with a unique structure, which is known as a cavity.