When you were born, your skeleton was already inside you. However, there are creatures in the sea that are born without skeletons---so they make their own. But their skeletons are on the outside! ...
The “flower” animals
An animal that looks like a bag full of flowers and turns somersaults when it wants to go somewhere sounds like something out of a fairy tale. But there really is such a creature. It's called a sea...
An animal made of water
A strange shape moved slowly through the dark-blue water of a tropical sea. It looked like a see-through umbrella. But instead of a handle, it had ragged, lacy strips and strings hanging down from...
Coelenterates
The sea is the home of a large group of animals that really aren't much more than a stomach with tentacles. These animals are called coelenterates (sih tuh rayts). The name comes from two Greek...
