Carnivorous plants trap insects to counter the deficiency of which element?
Correct answer: D. Nitrogen
- A. Phosphorus
- B. Potassium
- C. Calcium
- D. Nitrogen
Explanation
The pitcher plant (Nepenthes pupurea), Venus flytrap (Dionaea muscipula) and Sundew (Drosera intermedia) are carnivorous or insectivorous plants that grow in soils that lack nitrogenous salts. Hence, these plants prey on insects and other small organisms to meet their nitrogen requirements or needs. These plants have special features like modified conspicuous leaves to attract and trap insects and other organisms. They also produce special secretions to digest their prey.
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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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