Which of the following statements about ecology is incorrect
A) The biosphere consists of three layers- the hydrosphere,lithosphere and atmosphere.
B) Communities with many populations of organisms are more stable than those with fewer populations.
C) Vegetative cells must have water.
D) The sun is the ultimate source of energy for all organisms in any ecosystem.
Correct Answer:
Verified
Q15: Nitrogen-fixing bacteria include:
A)Cyanobacteria
B)Clostridium
C)Klebsiella
D)all of these choices
Q16: Microbes in the environment can be _.
A)producers
B)consumers
C)decomposers
D)all
Q17: Which is a primary symbiotic nitrogen fixer
A)Azotobacter
B)Rhizobium
C)Cyanobacteria
D)Clostridium
Q18: In the sulfur cycle many microbes convert
Q19: Most denitrification is due to _.
A)Rhizobium
B)Azotobacter
C)Pseudomonas
D)Nitrosomonas
Q21: What results from the biological oxygen demand
Q22: Cytophaga,found in soil,is characterized by _.
A)being a
Q23: Molds in soil serve to:
A)aid in decomposition
B)aid
Q24: Which of the following symptoms is not
Q25: In the phosphorous cycle,inorganic phosphates are converted
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