TOEFL Reading Academic Passage Practice #025 - The Hidden Work of Soil Crusts

What you will practice

• Reading comprehension
• Evidence and inference
• Time management

Topic: Biology · Read an Academic Passage

Passage preview

Dry landscapes often appear to contain bare ground between shrubs, but much of that surface may be covered by a biological soil crust. This living community occupies the upper few millimeters of soil and can include cyanobacteria, lichens, mosses, fungi, and…