« previous next »

Author Question: Describe how determining macroinvertebrate populations help in detecting water pollution What ... (Read 57 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jul 21, 2018
Describe how determining macroinvertebrate populations help in detecting water pollution
 
  What will be an ideal response?

Question 2

Describe how macroinvertebrates are classified.
 
  What will be an ideal response?


isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 21, 2018
Answer to Question 1

Sample the macroinvertebrates using a trap of some kind. Small hand-held nets (like a butterfly net) are sometimes
used. Pollution-intolerant species populations are reduced in polluted water, as compared to pollution-tolerant
species, which maintain normal levels.



Answer to Question 2

One way of classifying macroinvertebrates is in terms of their reaction to pollution. Using this system, we can
classify macroinvertebrates into three groups.
 Group 1 organisms are pollution intolerant and easily killed by impurities in the water.
 Group 2 organisms are somewhat pollution tolerant and can survive in slightly polluted water.
 Group 3 organisms are pollution tolerant and can survive in all but the most heavily polluted water.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

joe

  • Hero Member
  • *****
  • Posts: 627
Reply #2 on: Jul 21, 2018
Thanks


isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 21, 2018
Welcome :)


« previous next »
 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Mechanoreceptors in the lateral line system that detect changes in water movement. Mechanoreceptors in the lateral line system that detect changes in water movement.
The Pathways of Water and Solutes in a Plant The Pathways of Water and Solutes in a Plant
water molecules water molecules
Irrigation Technology Can Conserve Water Irrigation Technology Can Conserve Water
This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
Maya Lin, Disappearing Bodies of Water: Arctic Ice. Maya Lin, Disappearing Bodies of Water: Arctic Ice.
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library