This topic contains a solution. Click here to go to the answer

Author Question: In most soils the overall population (numbers) of microorganisms changes with time, generally ... (Read 142 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
In most soils the overall population (numbers) of microorganisms changes with time, generally following changes in the ________.
 
  A) concentrations of antibiotics
  B) availability of root infection sites
  C) porespace
  D) supply of oxygen
  E) supply of decomposable organic matter

Question 2

Vesicles and arbuscules are structures typically formed ________.
 
  A) in bacterial cells when attacked by protozoa.
  B) in root cells by fungi when they form mycorrhizae
  C) above ground by certain soil fungi
  D) by mesofauna when they incorporate organic materials into the soil
  E) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sassygurl126

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

E

Answer to Question 2

B




nramada

  • Member
  • Posts: 580
Reply 2 on: Jul 22, 2018
Excellent


shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

For a complete list of videos, visit our video library