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25 Cards in this Set
- Front
- Back
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What is the process of replanting a cut-over area wih seedling trees?
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deforestation
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What is the wise and careful use of the Earth's resources?
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conservation
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What is an area of land set up to protect animal species?
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Wildlife Preserve
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What is the presence of harmful substances in the environment?
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pollution
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What is a renewable resource?
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A natural resource that can be used and replaced over a relatively short period of time.
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What is biodiversity?
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the number and variety of living things
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If a product is capable of being broken down by the environment, it is said to be what?
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biodegradable
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A condition that occurs when the number of individuals becomes so large that there are not enough resources for all individuals?
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overpopulation
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Name three fossil fuels
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coal, oil and gas
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The greenhouse effect causes a(n) ___________ amount of carbon dioxide and a(n)__________ amount of oxygen.
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increased
decreased |
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What is the process by which minerals are carried away from soil?
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erosion
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What is eutrophication?
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The pollution of nutrients where algae growth chokes out the oxygen in the water.
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An example of ____________ is when a plant faces and grows towards the sunlight.
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phototropism
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What is the greatest threat to biodiversity?
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deforestation
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Limiting factors prevent a(n) increase/decrease in population.
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increase
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The Clean Air Act of 1990 required industries to reduce their __________________ emissions by 40% by 2000.
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carbon dioxide
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What kind of power can be produced by harnessing the force in a dam?
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hydroelectric power
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What is the interaction of a community with its abiotic factors?
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ecosystem
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What is the best renewable energy source that produces electricity with the least environmental problems?
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solar panels
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Where do algal blooms come from?
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run off fertilizer from homes and farms
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What is believed to be the most responsible for ozone depletion in the atmosphere?
Lead-based paints, CFC's of Pesticides? |
CFC's
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Name one way to help reduce air pollution.
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Ride a bike instead of driving a car.
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Name the three main gases that contribute to the Greenhouse Effect.
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Carbon dioxide, methane and water.
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Define global warming.
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A natural process that keeps the planet warm and hospitable for living organisms.
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What is the relationship between the Greenhouse Effect and mass deforestation?
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Mass deforestation decreases the amount of plant life on the earth. Without plants, carbon dioxide can not be converted to oxygen.
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