Calcification results in the buildup of dissolved alkaline salts in the B horizon of soils

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

You might also like to view...

Which of the following plant structures shares the most common features and functions with a fungal hyphae?

A) stomata B) vascular cambium C) lenticels D) root hairs E) prop roots

Biology & Microbiology

Dissolved oxygen content in stream water is affected by

(a) organic matter in the water. (b) overgrowth of algae. (c) water nutrient levels. (d) all of the above.

Biology & Microbiology

Consider the model for the equilibrium number of species in a mainland (continental) region, as illustrated in Figure 20.23. What does this model say about the rate of speciation?

A) The rate of speciation decreases as a linear function of the number of species. B) The rate of speciation increases as a linear function of the number of species. C) The rate of speciation increases as a function of the number of species, but the rate of increase decelerates as the number of species becomes large.

Biology & Microbiology

Agar is an excellent solidifying agent for microbiological media because ________.

A. solid agar remains solid until the temperature is raised to 90°C, and liquid agar remains liquid if the temperature is lowered to 45°C B. it is not degraded by most microorganisms and solid agar remains solid until the temperature is raised to 90°C, and liquid agar remains liquid if the temperature is lowered to 45°C C. it is not degraded by most microorganisms D. agar provides an excellent source of nutrition for a variety of different microorganisms

Biology & Microbiology