« previous next »

Author Question: Which of these ecosystems accounts for the largest amount of Earth's net primary (Read 727 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Oct 27, 2013
Which of these ecosystems accounts for the largest amount of Earth's net primary productivity?
A) tundra
B) savanna
C) salt marsh
D) open ocean
E) tropical rain forest


plus1

  • Hero Member
  • *****
  • Posts: 676
Reply #1 on: Nov 3, 2013
I recall doing this last year, it's D, bye bye!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

penza

  • Hero Member
  • *****
  • Posts: 1,022
Reply #2 on: Aug 17, 2014
Thanks for assisting, your answer was right!


« previous next »
 

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Energy flow and chemical recycling in ecosystems. Energy flow and chemical recycling in ecosystems.
Size comparison of Earth and Mars. Size comparison of Earth and Mars.
The Workout (Primary Conditioning Period) The Workout (Primary Conditioning Period)
Idealized Tidal Bulges on Earth Idealized Tidal Bulges on Earth
Primary material used for HEADERS Primary material used for HEADERS
Primary Actions of Hormones Primary Actions of Hormones
Video: Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library