This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In most soils the overall population (numbers) of microorganisms changes with time, generally ... (Read 79 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
on: Jul 22, 2018
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
Reply #1 on: Jul 22, 2018
Answer to Question 1

E

Answer to Question 2

B


nramada

  • Member
  • Posts: 580
Reply 2 on: Jul 22, 2018
YES! Correct, THANKS for helping me on my review

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
Changes in Time Spent with Family Members Changes in Time Spent with Family Members
Time Estimates for Specific Office Procedures Cont. Time Estimates for Specific Office Procedures Cont.
Race-Ethnicity of the U.S. Population Race-Ethnicity of the U.S. Population
Breakdown of the Population by Schooling and Wages Breakdown of the Population by Schooling and Wages
Numbers 2 and 5 only Numbers 2 and 5 only
Video: Steps of glucose catabolism

For a complete list of videos, visit our video library