Concept:The ground layer of a rainforest contains small, shade-tolerant plants, often non-vascular.
Explanation:Tropical rainforests have distinct layers: emergent, canopy, understorey, and ground layer.
The ground layer receives very little sunlight.
Plants like liverworts, mosses, and ferns grow there because they can survive in low light.
Liverworts are non-vascular plants, so they absorb water and nutrients directly through their leaves.
Obeche and mahogany are large trees that form the upper forest layers.
Oil palm is usually found in the understorey or cultivated areas, not the forest floor.
Therefore, the plant found in the ground layer is the liverwort.
Answer:B. liverwort