« previous next »

Author Question: What are the two main processes that ecosystems depend upon? A) speciation and e (Read 3962 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Apr 23, 2014
What are the two main processes that ecosystems depend upon?
A) speciation and evolution
B) nutrient recycling and energy flow
C) decomposition and nutrient recycling
D) sunlight and photosynthesis


Millan

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: May 14, 2014
This is for essentials biology, right? the answer is B. Bye for now.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
Reply #2 on: May 25, 2014
This is perfect, thank you.


nhea

  • Sr. Member
  • ****
  • Posts: 305
Reply #3 on: May 10, 2016
thank you


« previous next »
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Bacteria exchange DNA by several processes Bacteria exchange DNA by several processes
Bacteria exchange DNA by several processes Bacteria exchange DNA by several processes
Spider's main organs Spider's main organs
The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion. The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion.
Global OBD II can be accessed from the main menu on all aftermarket and some original equipment ... Global OBD II can be accessed from the main menu on all aftermarket and some original equipment ...
Processes of Lightning Formation: Leaders, Strokes, and Flashes Processes of Lightning Formation: Leaders, Strokes, and Flashes
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library