Which layer in a soil profile generally has the LOWEST microbial activity?
a. A horizon
b. B horizon
c. C horizon
d. O horizon
Answer: C
You might also like to view...
Laboratory diagnosis of T. gondii is confirmed by:
a. Giemsa stain. b. tissue culture. c. serologic testing. d. Western blot.
A person with a mutated SRY gene will
a. be an XX female. b. have normal male genitalia. c. be sterile. d. have both male and female genitalia. e. have no genitalia
What is the main advantage of small cell size?
A) small cells don't require as many genes B) it takes less energy to construct an organism using small cells C) Small cells are less likely to burst in dilute environments D) large cells are more vulnerable to infection E) Small cells have more surface area-volume reatio across which to take up nutrients and get rid of waste products
In what ways do the processes of reconstructing phylogenetic trees and mapping evolutionary events onto trees generate hypotheses?
What will be an ideal response?