His room is shabby.

He discovered a new star.

He discovered a new star.

Tokemi is my best friend.

He is living in a world of ignorance.

Chrysophyta perform photosynthesis underwater, supplying oxygen.

He is an expert in paleobotany, conducting research on plants from the dinosaur era.

He is an expert in paleobotany.

Phytobenthos is an important part of the marine ecosystem.

This biennial plant matures and blooms over the course of two years.