Trophic Levels
Cycles
Population Dynamics
Human Pollution
Random Facts
100
What are the three basic trophic levels
What is "Producers, Consumers, Decomposers"
100
What is the simplest cycle we covered in this class?
What is "Oxygen Cycle"
100
A group of individuals of the same species living and interbreeding within a specific space best describes what?
What is "Population"
100
What type of countries contribute to the majority of the world's population?
What is "Low Developed Countries"
*6.35 billion people in LDC's
100
What is the "power house" of the cell
What is "Mitochondria"
200
Carbon Dioxide, Water, and ATP are the products of which reaction?
What is "Cellular Respiration"
200
Hydrocarbon + Oxidant -> Energy (Heat) + Carbon + Water describes what reaction?
What is "Combustion Reaction"
200
Lake Victoria is an example of a _______ ecosystem.
What is "Stable"
*This was the lake where the Nile perch were introduced and 400 different fish species diminished down to 1.
200
What is the first solution to limiting our growth rate?
What is "Family Planning Programs"
4 different kinds:
a) contraception
b) abortion
c) sterilization
d) education
200
Term used to describe the point in which clouds form in the atmosphere.
What is "saturation point"
300
Adding a producer to an ecosystem resulting in change is typically known as what?
What is "Bottom-Up Effect"
*This producer may also be referred to as a keystone producer.
A keystone predator would be a predator added to an ecosystem that results in change. This is also described as a "Top-Down Effect".
300
Draw a simple Carbon Cycle.
300
Competition that results in the death of a species is known as what?
What is "competition exclusion"
300
What is the number one driver making the planet warmer?
What is "Carbon Dioxide"
300
What is the Earth's atmosphere comprised of? (expressed in percentages)
What is "Nitrogen -78%, Oxygen -21%, Carbon Dioxide - less then 1%.
400
What two things do all ecosystems do?
What is "Transfer Energy and Cycle Matter"
400
Ammonia -> converted into nitrites (via oxidation) -> converted into nitrates (via oxidation) -> absorbed by plants best describes what stage in the nitrogen cycle?
What is "Nitrification"
400
What is the greatest limiting factor to mammals?
What is "Loss of habitat"
400
All ecosystems will follow ________ pattern if there is no limit to growth.
What is "Reindeer of St. Mathews Island"
400
What is the "invisible tragedy"
What is "lack of food supply"
*more than 100, 000 people die per day due to lack of food and lack of nutrients in diet.
500
Why can reversed pyramids of biomass be sustained in a marine ecosystem?
What is "High reproductive rates in producer/lower levels"
*This is made possible because the producer's in the ecosystem are capable of reproducing rapidly
500
What are the five factors effecting evaporation?
What is "Concentration, Temperature, Air Pressure, Airflow, Surface Area"
500
List three abiotic population limiting factors.
What is:
a) Water
b) Atmosphere
c) Temperature
d) Soil
e) Sunlight
f) Wind
g) Pollution
500
How much warmer will the earth become if we decide to make a positive change?
a) 2 degrees
b) 4 degrees
c) 6 degrees
d) 7 degrees
What is "a"
* 2 degrees - why is this still a concern?
500
More Developed Countries (MDC's) make up approximately 15% of the Earth's population. Knowing this, how much of the Earth's energy and minerals does this 15% use?
a) 50%
b) 60%
c) 70%
d) 80%
What is "C, 70%"
*Ex.
India = 18% of population and use 5% of energy
Canada = .5% of population and use 4% of energy