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Assessment
What is the primary source of energy in a marine food web?
Sunlight
Chemical energy from hydrothermal vents
Decomposed organic matter
Nutrients from sediment
Which organism is typically considered a primary producer in marine ecosystems?
Phytoplankton
Zooplankton
Small fish
Sea turtles
In a marine food web, which group is primarily responsible for decomposing organic material?
Carnivores
Herbivores
Detritivores
Phytoplankton
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