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problem caused by increased levels of CFC's in the atmosphere; living things are exposed to more UV radiation
Which of the following is NOT a possible result of decreasing biodiversity?
increased ecosystem stability
loss of natural resources
loss of potential foods & medicines
Occurs when nitrogen and sulfur-containing compounds from burning fossil fuels combine with water in the atmosphere
Which of the following ecological problems is NOT the result of burning fossil fuels?
Which of the following results when levels of CO2 in the atmosphere increase due to the burning of fossil fuels?
Modern lifestyles have led to increased demands for a wide variety of consumable products. The packaging of these products has caused environmental problems associated with
food web contamination
solid waste disposal
Human impact on the environment is often more dramatic than the impact of most other living things because humans have a greater
need for water
need for food
ability to alter the environment
ability to adapt to change
In some areas, foresters plant one tree for every tree they cut. This activity is an example of
lack of management of nonrenewable resource
a good conservation practice for renewable resources
a good conservation practice for nonrenewable resources
lack of concern for renewable natural resources
Fertilizers used to improve lawns and gardens may interfere with the equilibrium of an ecosystem because they
cause mutations in all plants
cannot be absorbed by roots
can be carried into local water supplies
cause atmospheric pollution
The tall wetland plant, purple loosestrife, was brought from Europe to the United States in the early 1800s as a garden plant. The plant's growth is now so widespread across the United States that it is crowding out a number of native plants. This situation is an example of
an unintended effect of adding a species to an ecosystem
the results of the use of pesticides
the recycling of nutrients
the flow of energy present in all ecosystems
Which of the following natural resources would be described as finite (non-renewable)?
hydro power (ie. Niagara Falls Power Authority)