A food chain in an ecosystem flows from green algae, to freshwater snails, to small fish, and finally to large fish. Which organism is the primary consumer?

large fish
small fish
green algae
freshwater snails

will mark brainliest

IS LArge Fish

Explanation:

Primary consumers are the animals in a food chain that feeds on plants, i.e., producers. In the figure, phytoplanktons are the producers that are consumed by small fishes, therefore small fishes are primary consumers. Large fishes are consuming primary consumers (small fishes), therefore they are secondary consumers.

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.