Its algae it helps when the fish have trickedima (spelling may not be right, but its a illness that fish get and it makes them itch) fish also eat it if they don't have enouggh food to eat :P
Because they need some of the bacteria in the salt water to live. the fresh water doesen't provide the certin bacteria that the other water has.
Why do humans not live in water? The same concept. We can't breathe in water they can't live in fresh water.
no. -heterotrophs (including heterotrophic bacteria) are consumers, an organism that obtains energy from organic matter. all animals are heterotrophs.
to keep them fresh. plants need water to live.
Bacteria can live and grow without thiamine. They do, however, need water, iron, phosphate, and a nitrogen source.
Because they need some of the bacteria in the salt water to live. the fresh water doesen't provide the certin bacteria that the other water has.
Yes, Plankton can live on fresh OR salt water.
Plants get their energy from sunlight and generate food through photosynthesis (using water, carbon dioxide and energy from the sun to generate carbohydrates). Whether or not they live in fresh water has nothing to do with this, though being immersed in water like seaweed is would effect access to light.
fresh water?
flounders live in salt water. flounders can't live in fresh water
not photosynthesis; either cellular respiration or fermentation (or both)
I think trout, fresh water shrimp, fresh water crayfish, caddisfly lava live in fresh water.
They live in the fresh water of the Amazon and the Orinoco Basin in South America.
fresh water fish are fish that live in fresh water fresh water is what you would get out of the tap at home as aposed to salt water witch contains salt
Snapping turtles live in fresh water
because they're too fresh for fresh water
fresh water