they need the fresh salt water to survive in the freshwater biome.
anaerobes
seeweed
seeweed
seeweed feeds other animals in the ocean.the animals that ate the seeweed gets eaten by another bigger animal.
The answer is symbiosis.
heterotrophs
Unicellular organisims are organisims that only have one cell like a zebra only has one cell.
seeweed
To be onest, seeweed
Coral, seeweed
La alga/las algas
grass and seeweed