Summary Tropical rain forests are found in regions where temperatures and precipitation are high year-round High primary productivity in tropical rain forests is due to the combination of climate and efficient re-cycling of nutrients through plant biomass Tropical rain forests may contain 50% or more of the world's biodiversity.
(temperatures and precipitation; are; high year-round High primary productivity in tropical rain forests; L:regions)
temperatures and precipitation
are
high year-round High primary productivity in tropical rain forests L:regions