He is an expert in geophysics.

Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.

He is a world-renowned zoologist.

Rabbits are herbivores and mainly eat grass.

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

Astrobiology is a very interesting field of study.

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

He claims to have seen an unidentified flying object.

Invertebrates are a type of creature without a skeleton.

Molecular biology is a field of study that understands life phenomena at the molecular level.