Invertebrates are a type of creature without a skeleton.

Coelenterates are said to be the first animals with a true body cavity.

His tribe has been practicing zoolatry since ancient times.

He is studying about ancient animal worship.

He is bad at athletics, especially ball games.

This charcoal-powered vehicle is said to be environmentally friendly.

We will make this project successful by working together with one mind.

I commute to school by bus every day.

The launch of intercontinental ballistic missiles has become an international issue.

If the motor nerves are damaged, you will lose control of your muscle movements.