« previous next »

Author Question: How does phosphorus normally enter ecosystems? A) cellular respiration B) photos (Read 781 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Oct 27, 2013
How does phosphorus normally enter ecosystems?
A) cellular respiration
B) photosynthesis
C) rock weathering
D) vulcanism
E) atmospheric phosphorous gas


plus1

  • Hero Member
  • *****
  • Posts: 676
Reply #1 on: Nov 3, 2013
I recall doing this last year, it's C, 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 21, 2014
Incredible, thanks for your help!


« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Primary production increases with an increase in total phosphorus concentration. Primary production increases with an increase in total phosphorus concentration.
The control of cellular respiration The control of cellular respiration
Cellular Mechanisms Cellular Mechanisms
Cellular components. Cellular components.
Control of Respiration Control of Respiration
Model for ecosystems on land Model for ecosystems on land
Video: Interview with an Anorexic Woman (Part 1 of 2)

For a complete list of videos, visit our video library