Unit 1
Does oceanic absorption of carbon dioxide increase or decrease H+? Also, does this increase or decrease pH?
Increases H+ because it makes ocean more acidic which in turn decreases pH.
The peak conditions that a species can exist.
optimum range/condition
density dependent
This is the oce.n in which El Nino events occur?
Pacific Ocean
Name a factor that could be used to determine a country's impact on the environment.
population, affluence, technology, education
Identify 3 major carbon reservoirs
sedimentary rock (limestone), fossil fuel deposits, soil organic matter, atm carbon dioxide, old-growth trees
The first species to move into an unoccupied area.
pioneer species
The type of survivorship curve is shown by high survival throughout the lifespan, with individuals dying off at an old age.
type 1
This occurs when an area of high elevation prevets precipitation from reaching another location.
rain shadow effect
a developing country would be expressed as this type of shape on the age structure diagram
pyramid
Describe the 10% Rule. What is the exception to the 10% Rule?
only 10% of energy moves to next level and the exception is the transition from the sun to producers, in which case only 1% of energy is retained.
species richness
a mouse is an example of this type of species.
r-selected
This major convection cell takes warm, humid air away from the equator and drops hot, dry air north or south of the equator.
Hadley cell
the resource in an ecosystem that is too low to allow further population growth
limiting resource
Briefly describe the 5 steps of the nitrogen cycle.
1. nitrogen fixation
2. nitrification
3. assimilation
4. ammonification
5. denitrification
An organism that can signal changes in its environment, and can be used to help assess the health of an ecosystem.
indicator species
population graphs that show a s-shaped curve is this type of growth model
logistic
What happens to trade winds during El Nino?
reversal/weakening
The amount of energy available to a secondary consumer, if 15,000 kcal of chemical energy is stored in organic compounds.
150 kcal
Why is the npp of the open ocean low?
large expanse of the ocean supports enormous number of producers
A symbiotic fungi and algae that typically is the first colonizer of bare rocks.
lichen
What is the doubling time of a population that has a 5 percent growth rate?
14
What does ENSO stand for?
El Nino Southern Oscillation
When species use limiting resources in different ways, places or times to reduce competition.
What is resource partitioning