Everyone was surprised by the news.

He has a deep interest in archaeology.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

There are only inanimate objects in this room.

The use of bioweapons is prohibited by international law.

The study of nekton is an important part of marine biology.

Protecting the biosphere is important for the future of the Earth.

Invasive species can have a major impact on the natural environment.