Complex sentence: A tropical rainforest is typically divided into four main layers, each with different plants and animals adapted for life in that particular area: the emergent, canopy, understorey/understory and forest floor layers.
Split into simpler sentences: A tropical rainforest is typically has a number of layers, each with different plants and animals adapted for life in that particular area. Examples include the emergent, canopy, understorey and forest floor layers.