Respuesta :
The deep sea primary producers obtain carbon dioxide for fixation through a series of chemical reactions to produce organic compounds. They cannot use sunlight energy to perform the photosynthesis.
Producers are the organisms that make their own food. The example of such organisms are plants, some bacteria, and fungi. The plants perform photosynthesis for synthesizing food. They obtain the primary position in any food chain or pyramid.
Photosynthesis is the process by which plants synthesize food using inorganic raw materials such as solar energy, water, and carbon dioxide, producing sugars and the byproduct oxygen. It occurs in two phases: light-dependent reactions and light-independent reactions.
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