The ecosystem of this lake heavily depends on a specific food chain.

He made wooden furniture using the technique of dovetail joint.

He dovetailed the wood to make sturdy furniture.

There are many ants in the garden.

An army ant can eat up to 50,000 insects in a day.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.

I have been to Outer Mongolia.

I have been to Chicago.

The Paleogene period was a very important time in the history of the Earth.

Leafcutter ants are known for cutting plant leaves and carrying them to their nests.