« previous next »

Author Question: How does phosphorus normally enter ecosystems? A) cellular respiration B) photos (Read 794 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?

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?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

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

The three stages of cell signalling: receptor activation, signal transduction, and a cellular respon The three stages of cell signalling: receptor activation, signal transduction, and a cellular respon
ATP yield per molecule of glucose at each stage of cellular respiration. ATP yield per molecule of glucose at each stage of cellular respiration.
Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to
Reproduction of Cellular Slime Molds Reproduction of Cellular Slime Molds
Roger Shimomura, Enter the Rice Cooker. Roger Shimomura, Enter the Rice Cooker.
Strawberries contain iron, copper, magnesium, phosphorus, vitamin B6, vitamin K and vitamin E Strawberries contain iron, copper, magnesium, phosphorus, vitamin B6, vitamin K and vitamin E
Video: Sister chromatids of a metaphase chromosome animation

For a complete list of videos, visit our video library