Unit 1 - Issues in Env. Science
What ecological relationship involves one organism being harmed and the other benefiting?
HINT: It is NOT Predation
Parasitism
What Earth sphere includes all of Earth's water?
Hydrosphere
What is the most abundant greenhouse gas that is driving global warming?
CO2
(Carbon Dioxide)
What percentage of energy or biomass is passed to the next trophic level with the rest lost as heat.
Only 10% of energy or biomass is passed to the next trophic level, with the rest lost as heat.
What stage of Demographic transition has the highest infant mortality?
Stage 1
The quantity of a good that is available is known as the ______________
Supply
Soil is comprised of 3 parts. Sand, Silt, and _________
Clay
What is the greenhouse effect?
The trapping of heat within the atmosphere due to greenhouse gasses.
Infrared radiation interacts with Greenhouse gasses reflecting a portion of the gas back to Earth.
What do all thermal powerplants use to spin their turbines and generate power?
Steam!
What type of species are associated with long lifespans, small family sizes, and large organism sizes?
K selected species.
The need or want for a material, good, or resource is known as?
Demand
What layer of the atmosphere is directly above the layer we live in? This layer contains the Ozone layer and it is where jets fly.
Stratosphere
The reflectivity of a material / surface is known as its ________________
Hint: Ice's ________ is very very high!
Albedo
What are at least 2 examples of fossil fuels?
At least 2 of the following
- Coal
- Natural Gas
- Oil/Petroleum
What type of species reproduces a LOT with hundreds/thousands of offspring with many of which dying before maturing?
R selected species
What ecological relationship involves one organism benefiting and the other one being unaffected?
Commensalism
Is high or low pressure associated with poor weather like storms and clouds.
Low Pressure
What is the most potent greenhouse gas? It is not as abundant as CO2 but is 25x more powerful
Methane (CH4)
Hydraulic fracking is used to extract which fossil fuel?
Natural Gas
What stage of demographic transition is associated with the most stable population? Where birth rates and death rates are roughly equal?
Stage 3
When a common shared resource is used up without any restrictions or legislation about what can be taken it is referred to as what?
Tragedy of the Commons
What causes the seasons of the Earth?
The tilt of the Earth / uneven heating of Earth's surface
Why does sea ice melting not contribute to sea level rise? What DOES contribute to sea level rise?
sea ice is already contributing to the oceans volume because it is less dense than the water but has the same volume.
- Land Ice melting
- Thermal expansion
Which form of energy is not considered to be a renewable resource but is a clean form of energy?
Nuclear Power
What factors can contribute to a population increase? Name at least 2.
- Increased access to healthcare supplies
- Better sanitization
- Better elder care
- Better care for infants
- Reduced pollution
- Vaccines