Teeny Tinny Tardigrades
What would yoou say if someone asked you to name Earth's toughest survivor? Camels can go a week without drinking. A cockroach can survive more radiation than a person. But there is a teeny tiny creature that can go without food or water for year. It is so small that it can be seen only under a microscope. Its real name is tardigrade. Most people call it a water bear.硬笔书法字帖高清免费可打印图片下载
