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

The ecosystem of zoobenthos is an important field of study in marine biology.

Invertebrates are a type of creature without a skeleton.

He is an expert in paleozoology and has a deep knowledge about the ecology of dinosaurs.

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

He has a deep interest in paleozoology.

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

He spent his money as quickly as 'a duck comes bearing green onions', which means a fool and his money are soon parted.

Since he is always laughing, it can be said that 'fortune comes in by a merry gate'.

Anthropozoonosis, or animal-derived infectious diseases, have the potential to spread between humans and animals.