Tools
 
 
Share
 
 
 
 
Biological cycles are crucial to ecosystem funciton because
A. they keep the planet warm enough for living things to survive
B. nutrients and other life sustaining molecules are in limited supply and must be continually recycled
C. energy flows through ecosystems in one direction only and is eventually dissapated as heat
D. they remove poisons and keep them locked up in
E. they prevent catastrophic extinctions
.
 
 
Founded By
 
 
JTikkanen
JTikkanen
785 Points
21 years old, female, I have a 2 year old who means the world to me and I am studying to be a math teacher.
 
 
Question Details
 
 
Taken: 0 times
Added: 12/14/2008
Liked: 1 time
Taggged: biology
 
 
Exams Using this Question
 
 
This question is not being used by any exams
 
 
Comments
 
 

Be the first to comment on this question.