1. It is/am/are the largest animal on Earth. It can be up to 30 meters long and weigh as much as 200 tons! Its heart weighs/weighs as much as a small car.
2. They has/have three hearts and blue blood. They is/am/are very smart and can change the color and texture of their skin.
3. They is/am/ are slow animals that can take up to a month to digest their food. They come/ comes down from trees only once a week to go to the bathroom.
4. It is known as the "unicorn of the sea" because of its long spiral tusk. It live/lives in the Arctic and can dive over 1.5 kilometers deep.
5. They communicate/communicates with each other through a dance that shows where to find food. They are very important for plants and fruits.