Living components in a river ecosystem would include all plants, all animals, all microorganisms. Every fish species, every arthropod species, every reptile and amphibian species, all the birds, etc.
Answer:
cell division is the process by which a living cell proliferates from one cell to two cells.
I hope this helps
I believe that the areas are tropical and polar zones.
Deep water currents affect the number of organisms found in the area by circulating nutrients due to upwelling. Upwelling is a process where cold water surfaces and encourages nutrients to the surface. When exposed to sunlight, they initiate energy which keeps the flow of the ecosystem.
The answer to this is rolling friction
