Bacteria living in the soil are dependent upon which of the following abiotic factors? a. plant root structures and oxygen content b. soil temperature and water content c. nitrogen content and insect activity d. insect activity and plant root structures



Answer :

Bacteria living in the soil are dependent upon "b. soil temperature and water content" since temperature and water content are essential for all living forms. 

The correct answer for above statement is:

b. soil temperature and water content

Explanation:

In biology and ecology, abiotic components or abiotic factors are non-living chemical and physical parts of the environment that influence living organisms and the functioning of ecosystems. Abiotic components include physical conditions and non-living resources that influence living organisms in terms of growth, maintenance, and reproduction.