Final answer:
Tropical rainforests are found near the equator, and deciduous forests are found near temperate regions.
Step-by-step explanation:
The best statement that compares a tropical rainforest and a deciduous forest is option D: Tropical rainforests are found near the equator, and deciduous forests are found near temperate regions. Tropical rainforests are characterized by broad-leaved evergreen plants, while deciduous forests are dominated by trees that lose their leaves seasonally. Tropical rainforests have a higher diversity of tree species compared to deciduous forests due to the favorable climate and continuous growth conditions.