Question

practice it
in marine ecosystems, microscopic organisms called phytoplankton support much of the food web. they convert sunlight and carbon dioxide into glucose and oxygen.
which term correctly describes phytoplanktons role in the marine ecosystem?
select the correct answer.
consumers
decomposer
producers
herbivores

Explanation:

Producers are organisms that can produce their own food through photosynthesis, like phytoplankton converting sunlight and carbon - dioxide into glucose and oxygen.

Answer:

C. producers