Is a blue whale vertebrate?

Yes, a blue whale is a vertebrate. Vertebrates are animals that have a backbone or spinal column, and blue whales are mammals, which are a type of vertebrate. Blue whales are the largest animals on Earth, and they can grow up to 100 feet long and weigh up to 200 tons. They are found in all the world's oceans, and they feed on krill, small shrimp-like animals. Blue whales are baleen whales, which means they have a series of plates called baleen in their mouths that they use to filter food from the water. Blue whales are social animals, and they often travel in pods of several individuals. They are also very vocal animals, and they produce a variety of sounds, including low-frequency moans and whistles. Blue whales are an important part of the marine ecosystem, and they play a role in the cycling of nutrients and the carbon cycle.