Answer:
Explanation:beacuse the plankton can only get energy from the sun
Invertebrates are placed directly above the phytoplankton in this energy pyramid Because they primary consumer who depends on producers.
They are animal without backbone and they are primary consumer who depends on producers example are arthropod.
The pyramid base has the producer which are mostly green plants or photosynthetic organisms example is phytoplankton such that invertebrates depends directly on them for food.
Therefore, invertebrate are placed directly above the phytoplankton in this energy pyramid Because they primary consumer who depends on producers.
Learn more on invertebrates here,
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