He belongs to the sales division.

This fossil is a part of a silicified tree.

He is an expert in entomology, especially knowledgeable about butterflies.

Insects are an important part of the natural world.

He is world-famous as an entomologist.

He found the bird feathers that were plucked.

Where did you get this hemp?

The ramie plant is growing in my garden.

There are a lot of reeds growing in this pond.

I found an earthworm in the garden.