Its surface is composed of two main types of terrain.

This system is composed of two types of criteria.

The music of Michigan is composed of many different types.

It is composed of two different types of facets.

The Portuguese man o' war is composed of four types of polyp.

DNA is a long polymer composed of four types of bases.

The eye is composed of many different types of tissue.

The Kinnickinnic is composed of two types of river.

The dermis is composed of three major types of cells:

They are composed of seven distinct types of creature united in a common symbiosis.