Although the Venus flytrap (*Dionaea muscipula*) is famous for capturing and digesting insects, it does not obtain energy from these prey in the way that animals do. Instead, the plant uses photosynthesis to produce its own sugars for energy, just like other plants. The Venus flytrap consumes insects primarily to acquire essential nutrients, particularly nitrogen, which are severely lacking in the acidic, nutrient-poor soils of its natural wetland habitat. Therefore, the traps are an adaptation for nutrient absorption rather than a substitute for photosynthesis.
Which choice best states the main idea of the text?
- AWetland plants must develop carnivorous traits to survive in habitats with acidic and nutrient-poor soil.
- BThe Venus flytrap obtains its primary source of energy by digesting trapped insects rather than through photosynthesis.
- The Venus flytrap digests insects to absorb nutrients lacking in its environment, while still relying on photosynthesis for energy.Cevap
- DThe natural habitats of Venus flytraps consist of acidic, wetland soils that are severely deficient in nitrogen.
Cevap
The Venus flytrap digests insects to absorb nutrients lacking in its environment, while still relying on photosynthesis for energy.
The correct option correctly identifies the central idea by capturing the relationship between the plant's nutrient acquisition (via digesting insects) and its energy production (via photosynthesis).
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