The document defines tropical rainforests and provides information about their climate, layers, plants, animals, and threats from deforestation. It notes that tropical rainforests have year-round warmth and high humidity, giant bamboo can grow 9 inches per day, and the dense canopy means rain takes 10 minutes to reach the ground. It lists species diversity in South American butterflies, Central African plants, and Asian flying animals. The document also discusses the climate and rainfall in Philippine rainforests and provides statistics on deforestation rates.