Nitrogen requirement of insectivorous plants is provided by ______.
1. Insectivorous plants trap insects and digest them for nutrition.
2. Insectivorous plants have chlorophyll pigment and they can perform photosynthesis but they grow in nitrogen-deficient soil.
3. So they trap insects and digest them to fulfill their nitrogen requirement.
Final answer: Nitrogen requirement of insectivorous plants is provided by an insect.