Here's why:

* Parasites derive their nutrients from a living host organism, often causing harm to the host.

* Insectivorous plants obtain nutrients from insects they trap and digest. They are autotrophs, meaning they produce their own food through photosynthesis.

Insectivorous plants are unique because they:

* Supplement their photosynthetic diet with nutrients obtained from insects.

* Adaptations like sticky traps, pitfall traps, and snap traps help them capture insects.

* Have specialized enzymes and mechanisms for digesting insects.

Therefore, insectivorous plants are not parasites, but rather carnivorous plants that supplement their diet with animal matter.