Question

Terrestrial biomes are classified by the climate and their biodiversity, especially the types of primary producers. Review the climatic data displayed in this graph of the major terrestrial biomes. There are two biomes that are rainforests: temperate and tropical. According to the climatic data, why are these two rainforests named differently?

A)The temperate rainforest receives a more annual precipitation than the tropical rainforest.
B)The tropical rainforest has a greater biodiversity than the temperate rainforest.
C)The temperate rainforest has a lower mean annual temperature range than the tropical rainforest.
D)The tropical rainforest has a higher mean annual temperature and receives much more annual precipitation.

Please help, I am confused.