"One Topic Three Purposes" persuade 1 inform describe 11. Octopuses are sea animals famous for their rounded bodies, bulging eyes, and eight long arms. They live in all the world's oceans, but they're especially abundant in warm, tropical waters. They are very intelligent creatures. Studies show that they adapt and learn very easily. They are very good at problem solving, which makes sense considering how good they are at adapting. They can be taught to unscrew a lid or remove a plug to get a prey from a container! Author's purpose is to 2. All varieties of octopuses are venomous. Most do not have the potency or amount to kill a human. The blue ringed octopus is responsible for at least 2 confirmed deaths. They inject venom through their hard nose like beak. Author's purpose is to 3. Although octopuses are not considered endangered, they do face dangers from human activity. Such threats include habitat destruction, and a reduction in their main foods due to over fishing and marine pollution. Let us do our part to protect marine environment which supports marine life and us. Author's purpose is to​