Energy directly from its food
Energy directly from its food
energy directly from its food
It swims. It uses its fins to propel it forward and it wiggles side to side to move through the water easily.
a whale have 3 fins
No, they are called Megaptera Novaeangliae, (Latin) or long winged New Englander, by the whalers for their very long pectoral fins, the longest fins of any whale.
flippers
the rudder on a whale is its tail or fins which allow the whale tom ove in any direction.
dolphin have fins to steer in the ocean
The tail fins
sometimes
Arms? Do you mean fins?
Of course they have a fin. Their fins are either rounded, triangular, or falcate.