Phenotypic Plasticity in Biennial Plants
In a temperate ecosystem, biennial plants have been observed to accumulate more biomass before flowering in years that follow a period of nutrient-poor conditions. This observation most directly demonstrates which of the following?
A
Phenotypic plasticity in energy allocation based on resource availability across growing seasons
B
Enhanced energy transfer efficiency between producers and primary consumers
C
Increased net primary productivity in response to environmental stress
D
Reduced competition for resources within the same trophic level
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