Linked from
The 77 pages that link to Tropical rainforest, each with the reason it gives.
Leaf litterBroader topic: Warm, moist conditions generally support rapid litter decomposition.
Tropical forestBroader topic: It is the wettest, most familiar tropical forest type.
BiomeBroader topic: It exemplifies how year-round warmth and abundant rainfall support dense forest.
TropicsBroader topic: It is a major ecosystem associated with humid parts of the tropics.