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small things to remember for APES
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Khloe
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Cards (11)
What does the O Horizon consist of?
Organic
/dying material
What is the E Horizon known as?
Precipitation layer
What is found in the A Horizon?
Topsoil and
minerals
What does the B Horizon represent?
Parent rock
What is Net Primary Productivity?
The consumption of energy by
organisms
How is Gross Primary Productivity defined?
The release of energy through
photosynthesis
Why does tropical rainforest soil have low nutrient levels?
Due to
competition
for nutrients in the area
What are the characteristics of a Bioreal?
Cold
temperatures
and
nutrient-poor
soil
What are the layers of soil horizons in order from top to bottom?
O Horizon
- Organic/dying material
E Horizon
- Precipitation layer
A Horizon
- Topsoil + minerals
B Horizon
- Parent Rock
What is the difference between Net Primary Productivity and Gross Primary Productivity?
Net Primary Productivity: Consumption of energy by organisms
Gross Primary Productivity: Release of energy through
photosynthesis
Rapid Growth
: lots of
birth
Slow
Growth
:
less
elders
than
children
(like a triangle)
Stable
Growth
:
Zero
growth
Declining
Growth
:
larger
older
population
Total
Fertility
: Births woman has in her lifetime during age specific fertility