The study of benthos is an important field in marine biology.

According to the law on specified alien species, the import of certain organisms is prohibited.

The olive ridley sea turtle is one of the smallest sea turtles in the world.

The flatback sea turtle is a species endemic to Australia and is on the brink of extinction.

He was promoted to the rank of lieutenant junior grade last year.

He was promoted to Rear Admiral.

My friend lives in Ohio.

The Levantine Sea, a part of the Mediterranean, captivates those who see its beauty.

He is the type of person who understands ten from hearing one.

He is exactly in the state of 'A frog in a well does not know the vast ocean.'