A predator of that fish. Or if the fish can only lay eggs in an environment with current. Also temperature can effect if it will survive or not.
Cyanobacteria don't need oxygen to survive they produce oxygen. They where the first ever known organisms on the planet and they produced oxygen in the oceans which was absorbed by iron deposits and then once the iron had oxygen the ocean got the oxygen until it got into the atmosphere and Eukaryota bacteria evolved. So the answer would be: <span>They convert nitrates from the water into nitrogen gas (N2) that is released into the atmosphere.</span>
Mudflow is the correct answer bud.
False <span>Gene testing is not foolproof</span>
physical properties include smell, sight, hear, and basically all of the 5 senses