Magic Ocean is a public welfare project launched by Alipay Ant Forest. It focuses on learning ocean knowledge and has a variety of gameplay methods, including collection, planting, answering questions, etc. As long as the user completes the task seriously, the system will issue rewards. It is very simple. The editor will say below Let’s talk about today’s answers to the questions, don’t miss it.
Answer: sea urchin
Knowledge expansion: There are five jaws inside the mouthparts of sea urchins. There is a tooth on the inner wall of each jaw, and the five teeth are arranged in a plum blossom shape. Its teeth are very hard and can not only grind food, but also dig rocks and dig nests. Pangolins have no teeth and rely on their keen sense of smell to help them find food and avoid predators.