The soil horizon in which leached mineral particles such as clay and salts tend to accumulate is the
A) A horizon.
B) B horizon.
C) C horizon.
D) O horizon.
B
You might also like to view...
Why are mycorrhizal fungi superior to plants at acquiring mineral nutrition from the soil?
A) Hyphae are one hundred to one thousand times larger than plant roots. B) Hyphae have a smaller surface-area-to-volume ratio than do the hairs on a plant root. C) Mycelia are able to grow in the direction of food. D) Fungi secrete extracellular enzymes that can break down large molecules.
The tip of the stem (the shoot tip) contains the
a. apical meristem. b. lateral meristem. c. intercalary meristem d. lateral buds. e. endodermis.
What term defines the characteristics that suit an organism to the conditions of a particular environment?
a. genotypes b. genetic drift
c. adaptations d. inheritance e. mutations
cDNA ____.
A. does not contain exons B. is produced from tRNA C. production utilizes reverse transcriptase D. begins as a hybrid between two mRNA molecules E. is present only in bacteria