Exam (elaborations)
IB ESS Formulas questions well answered already passed
- Course
- Institution
IB ESS Formulas questions well answered already passed
[Show more]
Content preview
IB ESS FormulasNet primary productivity - correct answer ✔✔calculated by subtracting respiratory losses (R) from gross
primary productivity (GPP).
NPP = GPP - R
Gross secondary productivity (GSP) - correct answer ✔✔the total energy or biomass assimilated by
consumers and is calculated by subtracting the mass of fecal loss from the mass of food consumed
GSP = food eaten - fecal loss
Net secondary productivity (NSP) - correct answer ✔✔calculated by subtracting respiratory losses (R)
from GSP.
NSP = GSP - R
CBR (crude birth rate) - correct answer ✔✔= no of births / population size x1000
CDR (crude death rate) - correct answer ✔✔=# of deaths / population size x 1000
NIR (natural increase rate) - correct answer ✔✔= CBR - CDR/10 (migration is ignored)
TFR (total fertility rate) - correct answer ✔✔= average no of children/woman
DT (doubling time) - correct answer ✔✔= time in years to double the population size
Respiration - correct answer ✔✔glucose + oxygen -> carbon dioxide + water
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82871 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now