Question

which biome has four forest layers that receive different amounts of sunlight and rainfall? tropical rainforest boreal forest temperate deciduous forest taiga

Explanation:

Tropical Rainforest biome has four forest layers (emergent layer, canopy layer, understory layer, forest floor) which receive different amounts of sunlight and rainfall. Boreal Forest (Taiga) has less distinct layering compared to tropical rainforest. Temperate Deciduous Forest has fewer and less distinct layers than tropical rainforest.

Answer:

Tropical Rainforest