These can be depleted and degraded by overuse, waste, pollution, and man's increasing "ecological footprint"
What are nonrenewable resources?
100
This time in history allowed for the development of homesteads and provided food for longer, healthier living, but also increased environmental degradation.
What is the Agricultural Revolution?
100
These cause a system to do more of what it is doing (positive) or less (negative).
What is a feedback loop?
100
This consists of a group of interacting individuals of the same species occupying a specific area.
What is a population?
100
This describes the small genetic changes that occur in a population over time.
What is microevolution?
200
This is where you find a longer life expectancy, a decrease in infant mortality, and a greater food production than food needs.
What is a developed country?
200
This government group was established by Richard Nixon in 1970 and the Endangered Species Act was passed in 1973 as a result.
What is the Environmental Protection Agency (EPA)?
200
This type of matter is concentrated with great potential for usefulness and it usually found near the Earth's surface.
What high-quality matter?
200
When looking at energy flow in an ecosystem, this is the typical percentage of usable energy transferred from one organism to another.
What is 10%?
200
This is a species "way of life" in an ecosystem.
What is a niche?
300
The overuse or degradation of freely available resources such as ocean pollution, abuse of national parks, air pollution, etc.
What is the Tragedy of Commons?
300
This president established wildlife services, tripled the size of national forest reserves, and created the U.S. Forest Service.
Who is President Theodore Roosevelt?
300
Energy that travels as a wave and is a result of changing electric and magnetic fields.
What is electromagnetic radiation?
300
The rate which producers use photosynthesis to store biomass minus the rate which they use energy for aerobic respiration.
What is net primary productivity (NPP)?
300
These organisms can live only in very specific environments, which makes them more prone to extinction when environmental conditions change.
What are specialists species?
400
A difficult to identify type of pollution which is dispersed, such as pesticides in the air and water runoff.
What are non-point sources?
400
This geologist and naturalist founded the Sierra Club in 1892 and is responsible for establishing Yosemite National Park in 1890.
Who is John Muir?
400
This states that no atoms are created or destroyed during a physical or chemical change.
What is the Law of Conservation of Matter?
400
A soil that has a sticky feel and retains water is said to have a lot of this mineral in its composition.
What is clay?
400
When this occurs, the gene pools are so changed that memebers become so different in genetic makeup that they cannot produce fertile offspring.
What is reproductive isolation?
500
Environmental quality is affected by interactions such as population size and resource consumption and is evaluated by this using this model.
What is IPAT?
500
During this president's term, Congress was persuaded to create the Department of Energy with the task of reducing the heavy dependence of the country on imported oil.
Who is President Jimmy Carter?
500
This states that when energy is changed from one form to another, there is always less usable energy.
What is the Second Law of Thermodynamics?
500
This collects, purifies, and distributes the earth's water in a vast global cycle.
What is the hydrologic cycle?
500
This is one of the two technologies that isolate, modify, multiply, and recombine genes from different organisms.