gigasecond (plural gigaseconds) A unit of time equal to 1,000,000,000 seconds and with symbol Gs. Translations
Orcas are called killer whales due to the fact that they are the top predator in the ocean. They are the hunters, not the hunted. They eat almost anything and everything they â¦ can find including other whales.
Killer whale. Scientists report finding strong genetic evidence supporting the theory there are several species of killer whales (Orcinus orca, also known as orcas) throughout the world's oceans.