The specific environment in which an organism lives.
habitat
_____ protects us from UV radiation from the sun; _____ are the chemicals destroying these protective molecules.
Ozone; CFC's
Materials and energy sources found in nature that are formed very slowly, and will be gone forever once depleted.
nonrenewable resources
Branch of philosophy that involves the study of behavior (good/bad; right/wrong)
ethics
In which part of the ocean do the greatest number of organisms live?
close to the surface to be near the largest food source
What type of ecosystem did golden toads live in before going extinct?
Mountain cloud forests
Process by which organisms use oxygen to release the chemical energy of sugars, releasing carbon dioxide and water.
cellular respiration
Portion of the Earth containing the layers of gases surrounding the planet.
atmosphere
A condition in an experiment which the scientist manipulates to see its effect on a different condition
independent variable
#4 & #5 plastics, glass containers, aluminum cans, steel/tin cans, paper, cardboard, newspapers, junk mail, paperboard (cereal boxes), used motor oil, used tires, plastic #1 & #2 bottles & jugs are all –
Recyclable
What two countries must cooperate to solve the water pollution issues in the Tijuana River?
United States & Mexico
Addition of phosphorus to bodies of water, which can lead to the overgrowth of producers and possibly the depletion of oxygen from the waters.
eutrophication
When resource use can be continued at the same rate into the foreseeable future without the resource becoming depleted.
sustainable
Which river is significantly contributing to the dead zone in the Gulf of Mexico?
Mississippi River
The sun's energy
directly causes evaportation
All of the populations within a given area.
community
A substance composed of two or more atoms, joined together through covalent bonds.
molecule
The departure of individuals from a given area (population).
emigration
Process of labeling products to indicate the brands that are made with processes that do not harm the environment.
ecolabeling
An ______________ is a system made up of all the biotic and abiotic factors in an area and all the interactions among them.
ecosystem
Taxes imposed on companies that participate in activities or produce products that are harmful to the environment.
green taxes
Efforts to influence an elected official into supporting a specific interest.
lobbying
Number of individuals within a population per unit area.
population density
Comparison of the sacrifice(s) and gain(s) of a specific action.
cost-benefit analysis
All the members of a specices living in a particular area at a particular time
Population