There would be a larger population of algae on the earth.
The fleas are the carriers of the disease, not the animal they happen to be riding on.
scientist think that the black death was caused by fleas who lived on rats. also fleas carried a disease called bubonic plague and when that disease killed most of the rats and when there were only very few rats to live on the fleas moved to humans giving them the disease.
The fleas; but the rats carried the fleas. So in a sense both.
fleas
The disease that killed millions of people and was carried by fleas on rats was the bubonic plague, also known as the Black Death. This pandemic devastated Europe in the 14th century, causing widespread death and societal disruption.
Fleas bite and could produce disease to people.
Rats to fleas, fleas to humans
Fleas transmitted the disease from rats to humans.
No, just bight them. Unless the fleas have a disease, but I'm not sure!
the plage was spread throughout animals, which carried fleas, and fleas carried the disease. china did not carry the disease, because they had boiling water.
yes the water flea does eat multiple types of Algae in the water
the bubonic plague, spread by rats bitten bye infected fleas