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alexaaaaaaa alexaaaaaaa
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Posts: 356
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6 years ago
Which group of soil organisms includes the largest number of autotrophic species?
 
  A) fungi
  B) actinomycetes
  C) protozoa
  D) bacteria
  E) detritivores

Question 2

Compared to the bulk soil in which the earthworms live, earthworm casts contain ________.
 
  A) less organic matter
  B) more of most plant-available nutrients
  C) less of most plant-available nutrients
  D) more sand and silt
  E) more nitrogen but less of other plant-available nutrients

Question 3

If you want to grow azaleas in a soil that initially has a pH of 6.5 and have been told that you should apply sulfur to reduce the soil pH, you would likely need more sulfur if the soil is a clay Vertisol than if it is an clay Ultisol.
 
  Indicate whether the statement is true or false

Question 4

Which of the following groups of organisms are responsible for greatest amount of organic matter decomposition in soils?
 
  A) macrofauna B) microflora C) mesofauna D) microfauna E) autotrophs

Question 5

An organism that subsists by eating predators would function as a(n) ________ in the soil ecosystem
 
  A) decomposer
  B) primary consumer
  C) tertiary consumer
  D) detritivore
  E) all of the above

Question 6

Soil detritivores feed principally on ________.
 
  A) larger, but defenseless animals
  B) dead tissues
  C) microorganisms
  D) smaller organisms
  E) plant roots
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christianbklyn1christianbklyn1
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6 years ago
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alexaaaaaaa Author
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6 years ago
Smart ... Thanks!
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dri
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2 hours ago
Just got PERFECT on my quiz
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