Final answer:
A tropical rainforest is a dense and biodiverse ecosystem with vertical layering of vegetation that provides diverse habitats for a variety of plants, animals, and other organisms.
Step-by-step explanation:
A tropical rainforest is a dense and biodiverse ecosystem that is characterized by vertical layering of vegetation and distinct habitats for animals within each layer. The forest floor contains a sparse layer of plants and decaying plant matter, followed by an understory of short, shrubby foliage. Above that is a layer of trees, topped by a closed upper canopy. This complex structure provides diverse habitats for a variety of plants, animals, and other organisms.