Continuity is the key to success.

Kazuya is my best friend.

Learning about the history of Shuyu-shi is very interesting.

Ame-no-Minakanushi is an important god in Japanese mythology.

Echinoderms are a type of marine life, many of which have star-shaped bodies.

The characteristic of annelids is that their bodies are divided into ring-shaped segments.

A tardigrade can survive in extreme environments.

Invertebrates are a type of creature without a skeleton.

He is an expert in ethology, and his research is highly regarded worldwide.

He is studying about ancient animal worship.