Question

If Insectivorous plants have chlorophyll, and can make their own food, why do they eat insects??

Answer 1

They consume insects to suffice their nitogen requirements.Nitrogen is required in plants for protien synthesis.These plants,i.e.,insectivorous,are usually found in soils with low nitrogen content,therefore have a requirement for nitrogen in their body.

Hence,these plants consume insects even though they have chlorophyll to synthesize glucose.

Answer 2

hi,

here is your answer,

Once they obtain the nitrogen, the carnivorous plants are able to build enzymes, chlorophyll and other structures and carry out photosynthesis to make their own food. ... The leaf alterations used by carnivorous plants to trap insects and other small animals include pitfall, snap, fly paper and suction traps...