When fungal populations in soils are reduced as the result of contamination by copper, one consequence is:
A) reduced decomposition of organic matter.
B) substantial change in soil texture.
C) substantial change in soil color.
D) accumulation of fungal toxins.
E) all of the above
Ans: A) reduced decomposition of organic matter.
You might also like to view...
Which process listed below does NOT require homologous recombination to maintain the new genetic material in the recipient cell?
A) conjugation of an F+ plasmid B) gene transfer through a genetic transfer agent C) transduction by a dsDNA phage Mu D) transformation of a linear piece of DNA
Cytogenetic mapping is accurate to within 500,000 base pairs, but not over this value
Indicate whether the statement is true or false
Which of the following statements is most
correct concerning the ancestry of Eukarya?
a. The lineage that led to Eukarya consists only of other eukaryotes. b. The lineage that led to Eukarya consists only of Archea. c. The lineage that led to Eukarya consists only of Bacteria. d. The lineage that led to Eukarya consists of Archaea and Bacteria. e. There is no lineage that led to Eukarya. Eukarya arose and has remained always in stasis.
Which of the following is most limiting for plant growth, especially in relation to the plant's carbon uptake?
A. magnesium B. calcium C. phosphorous D. potassium E. nitrogen