« previous next »

Author Question: The osmoregulatory/excretory system of an earthworm is based on the operation of (Read 621 times)

j_sun

  • Sr. Member
  • ****
  • Posts: 384
on: Sep 17, 2013
The osmoregulatory/excretory system of an earthworm is based on the operation of
A) protonephridia.
B) metanephridia.
C) Malpighian tubules.
D) nephrons.
E) ananephredia.


sammy

  • Hero Member
  • *****
  • Posts: 818
Reply #1 on: Sep 21, 2013
I remember it was B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

j_sun

  • Sr. Member
  • ****
  • Posts: 384
Reply #2 on: Oct 15, 2013
Thanks dude! Marking this solved.


« previous next »
 

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?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Divisions of the nervous system Divisions of the nervous system
Schematic of the Earth–Moon system (without a consistent scale) Schematic of the Earth–Moon system (without a consistent scale)
Gastrointestinal system Gastrointestinal system
Conduction system of the heart. Conduction system of the heart.
Ethnic Differences in Financial Support for College Based on a sample of 304 emerging adults aged 2 Ethnic Differences in Financial Support for College Based on a sample of 304 emerging adults aged 2
Major blood vessels of the human cardiovascular system Major blood vessels of the human cardiovascular system
Video: Fermentation pathways

For a complete list of videos, visit our video library