What occurred in the 1930's due to excessive plowing of natural grasses that held soils in place
What is Dustbowl?
The layer where the ozone is a good thing!
What is stratosphere?
"Slow moving rivers" that are fundamentally temporary
What are Lakes?
Long term (multigenerational) interactions between multiple species
what is Symbiosis?
What is the rule of 70?
70 divided by growth rate = doubling time
4.55 billion years
What is the age of the earth?
How does air temperature change with altitude within the troposphere?
What is 3 degrees F/ 1000 ft or 7 C / 1000 meters
What is the littoral zone?
What is the area of a Lake with substrate rooted plants?
Resource Partitioning - how is it different from other interactions?
Stable competition for the same resource - e.g. lions, cheetahs, hyena, wild dogs, crocodile and leopards all compete for the same group of herbivores - zebra, gazelle, wildebeest
Who was thomas malthus? why do we care?
18th century "philosopher" argued that famine was necessary to keep the rabble in check . . .
Heating sedimentary rock under pressure forms . . .
What is metamorphic rock?
Sketch the rain shadow effect!
Include what, how, and the consequence!

List four properties of water that make our planet the way it is!
High specific heat
Expands when frozen
Highly polar so it dissolves other compounds
High heat of vaporization
UV filter
Whats a keystone species?
You all better have gotten this right!
Large (disproportionate) impact on the ecosystems
Draw the three types of survivalship curves

Two plates slide past each other in the same plane
What is transform fault (boundary ok)?
List 4 factors that affect climate
air pressure/elevation
angle of incident light/Latitude
cloud cover/humidity
Proximity of water
Mountains/wind patterns
Sketch an aquifer!
Include bedrock, confined and unconfined subsurface water, a lake, and a well

What makes a desert a desert?
Provide two adaptations for plants AND animals that live in a desert
High heat, low water
Plant - spread out, Protective structures (wax, hairs), succulent water storage, deep roots, nocturnal transpiration
Animal - nocturnal, Small surface area, concentrate urine, burrow
There's 20,000 people in a town. Birth rate is 25/1000 people. Death rate is 7/1000 people. Immigration was 600, immigration was 200.
What was the population change in one year?
+760
25(20)+600 is increase, 7(20)+200 is decrease
Sketch the process known as sea floor spreading!
Include what moves, how it moves, and the consequences

Describe atmospheric circulation from cause to implications
Uneven heating of atmosphere
Rising air at equator (most) - cools as it rises
creates cells of rotating air parallel to equator; earth rotates perpendicular to these cells rotation
IMPLCTN - Wind, Seasons, weather, climate
2 Largest sources of fresh water in the world?
Polar ice caps + large aquifers
Draw three graphs depicting the types of natural selection
Circle the one that causes speciation
Stabilizing, disruptive, and directional
List 4 density dependent carrying capacity factors
Energy Resources consumption
Famine
Political unrest/social strife
Resource competition
Increases in pollution