“Tropical rainforest” for which biome experiences the most rapid decomposition rate. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Plant growth form integrates water balance, fire, frost, nutrient availability, and growing-season length. Animals respond to the same filters through migration, dormancy, thermoregulation, and dietary specialization. The remaining alternatives—“Temperate forest”, “Desert”, “Tundra”—refer to different states, processes, or scales and therefore do not express the same
Ref:
Campbell Biology, Urry et al., 12th Ed., Ch. 52