No. First of all, despite the common name of "killer whale" orcas are in fact dolphins. But also, many whales (including humpbacks, sperm whales, and blue whales) are the prey of the orca.
Killer whales live in a marine environment.
Killer whales still live. They live for about 50 or more years.
No, killer whales do not typically eat other killer whales. They are known to primarily feed on fish, seals, and other marine mammals, but instances of killer whales attacking and eating other killer whales are rare and not a common behavior.
Killer whales can live from 50 to 80 years old
KILLER WHALES.Not just killer whales live in artarctica, a number of other species also live there, such as the Sei, the Blue, and various others
no
Killer whales can live about 80 years in the wild; and about 20 years in capitivity.
Killer whales live in the open oceans, and don't make a home.
no
killer whales are mammals but they can not live on land beacause they are to big and can not walk with flippers.
yes
Antarctica