Which of the following best describes the role of biological activity in soils development?
A) Broadleaf trees tend to increase the alkalinity of soil, whereas needleleaf trees increase the acidity.
B) Earthworms increase soil porosity and contribute to soil movement and organic content.
C) Plant roots provide channels for air and water movement in soils.
D) All organisms living in, on, and over the soil, influence soil development and characteristics: they can influence the pH, the organic matter, chemical content, and biological content of soils.

Question

Quizplus · Accepted Answer

All living organisms, including plants and microorganisms, play a vital role in soil development and characteristics. They can affect the pH, organic matter, chemical content, and biological content of soils. Earthworms contribute to soil porosity and movement, while plant roots provide channels for air and water movement. Thus, the correct choice is D.

Which of the Following Best Describes the Role of Biological