Molds in soil serve to:
A) aid in decomposition
B) aid in nitrogen-fixation
C) form a network with mycelia
D) two of these choices
Correct Answer:
Verified
Q18: In the sulfur cycle many microbes convert
Q19: Most denitrification is due to _.
A)Rhizobium
B)Azotobacter
C)Pseudomonas
D)Nitrosomonas
Q20: Which of the following statements about ecology
Q21: What results from the biological oxygen demand
Q22: Cytophaga,found in soil,is characterized by _.
A)being a
Q24: Which of the following symptoms is not
Q25: In the phosphorous cycle,inorganic phosphates are converted
Q26: In testing for water purity,the presumptive test
Q27: Phytoplankton include:
A)cyanobacterteria
B)diatoms
C)dinoflagellates
D)all of these choices
Q28: Which of the following is used to
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