The animal kingdom is known for its diversity and complexity.

I avoid eating animal products.

He is deeply involved in the animal liberation movement.

Protozoans are single-celled organisms.

As the name suggests, chordates are a group of animals that have a notochord.

I have been to North Jeolla.

In geography class, I learned the names and characteristics of the six continents.

He suffered a knockdown in the boxing match.

He knocked down his opponent.

They are always lovey-dovey, and I'm very envious.