Concept:Carnivorous plants trap and digest insects to obtain nutrients, especially nitrogen, from poor soil.Explanation:Drosera (sundew) has sticky, modified leaves that capture and digest insects.It is a well‑known insectivorous or carnivorous plant.Clarkia, Alyssum, and Hollyhock are ordinary flowering plants that do not trap insects.Therefore, among the given options, only Drosera is carnivorous.
