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.
Orcas are highly intelligent, socially organized marine mammals in the order Cetacea, a group that includes both dolphins and whales. Although known as killer whales, orcas are actually the largest species of dolphin.