Biological Production

As you have read, change in biomass over a given period is called biological production. Define and discuss the differences between gross and net production within a system. Additionally, discuss why biological production often differs in various ecosystems. Support your claims with at least two scholarly sources in addition to the textbook.  

Your initial post should be at least 250 words in length. Properly cite any references in APA format

ATTACHED ARE THE CHAPTERS NEEDED FOR THIS ASSIGNMENT. ALSO THE RESOURCES. INCLUDED WITH THE CHAPTERS ARE ADDITIONAL RESOURCES. MUST ANSWER EVERY PART OF THE ASSIGNMENT!!!!  MUST USE THE CHAPTERS AND TWO (2) ADDITIONAL RESOURCES FOR THIS ASSIGNMENT. MUST USE IN-TEXT CITATIONS!!!!!