« previous next »

Author Question: What are the two main processes that ecosystems depend upon? A) speciation and e (Read 3985 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?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Speciation can be sympatric, allopatric, or parapatric. Speciation can be sympatric, allopatric, or parapatric.
Processes Involved in Observational Learning Processes Involved in Observational Learning
Ogburn's Processes of Social Change Ogburn's Processes of Social Change
Some fishing practices kill nontarget animals and damage ecosystems Some fishing practices kill nontarget animals and damage ecosystems
Projections of global temperature depend heavily on the level of future greenhouse gas emissions Projections of global temperature depend heavily on the level of future greenhouse gas emissions
Main lymph nodes of the leg Main lymph nodes of the leg
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library