Yes.
No
Yes,they are.
yes
a verbrate is a animal with a a back bone
Yes it is - it has a complete internal skeleton.
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THE TOOTHLESS WHALES: blue whales, finback whales, right whales, sei whales, humpback whales, and gray whales. THE TOOTHED WHALES: white beluga whales, black beluga whales (pilot whales), orcas (killer whales), sperm whales.
A vertebrate is a animal with a backbone. ----
Bowhead whales are baleen whales.
Blue Whales, Beluga Whales, Killer Whales, Sperm Whales, and Narwhals.
No. Killer whales eat gray whales.
Humpback whales don't usually attack other species of whales. Killer Whales are the only whales known to do that.