He read a lot of books.

My dream is to climb Seoraksan.

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.

Cnidarians are a type of marine life, including jellyfish and corals.

As the name suggests, onychophorans are a unique group of animals that have claws.