Why are blue whales important to earth?

Answer 1

Well if the blue whale was not here the number of krill would Be very LARGE and then the number of Basking shark would be larger & then the Orcas would have a ton of Food and more orcas means less fiss which means less chicken feed which means LESS CHICKEN NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!!!!

Answer 2

Because if any one animal that is part of the food chain, which all are, the ecosystem will be disturbed in a way that one animal or plant will dominate the ecosystem.
Blue whales corpses provide dozens of animal species food from lampreys to sleeper sharks. Also, thousands of individual organisms can feed on what to them is a gift from heaven. Many of the organisms in the deeper oceans depend on carrion from above or their race will become extinct.

Answer 3

The best reason I can think of is that blue whales are the largest animals ever to have lived on Earth.

Answer 4

because they are mammals