Ecosystems 2 2
Terms
undefined, object
copy deck
- What is the process of replanting a cut-over area wih seedling trees?
- Reforestation
- What is the wise and careful use of the Earth's resources?
- conservation
- What is an area of land set up to protect animal species?
- Wildlife Preserve
- What is the presence of harmful substances in the environment?
- pollution
- What is a renewable resource?
- A natural resource that can be used and replaced over a relatively short period of time.
- What is biodiversity?
- the number and variety of living things
- If a product is capable of being broken down by the environment, it is said to be what?
- biodegradable
- A condition that occurs when the number of individuals becomes so large that there are not enough resources for all individuals?
- overpopulation
- Name three fossil fuels
- coal, oil and gas
- The greenhouse effect causes a(n) ___________ amount of carbon dioxide and a(n)__________ amount of oxygen.
-
increased
decreased - What is the process by which minerals are carried away from soil?
- erosion
- What is eutrophication?
- The pollution of nutrients where algae growth chokes out the oxygen in the water.
- An example of ____________ is when a plant faces and grows towards the sunlight.
- phototropism
- What is the greatest threat to biodiversity?
- deforestation
- Limiting factors prevent a(n) increase/decrease in population.
- increase
- The Clean Air Act of 1990 required industries to reduce their __________________ emissions by 40% by 2000.
- carbon dioxide
- What kind of power can be produced by harnessing the force in a dam?
- hydroelectric power
- What is the interaction of a community with its abiotic factors?
- ecosystem
- What is the best renewable energy source that produces electricity with the least environmental problems?
- solar panels
- Where do algal blooms come from?
- run off fertilizer from homes and farms
-
What is believed to be the most responsible for ozone depletion in the atmosphere?
Lead-based paints, CFC's of Pesticides? - CFC's
- Name one way to help reduce air pollution.
- Ride a bike instead of driving a car.
- Name the three main gases that contribute to the Greenhouse Effect.
- Carbon dioxide, methane and water.
- Define global warming.
- A natural process that keeps the planet warm and hospitable for living organisms.
- What is the relationship between the Greenhouse Effect and mass deforestation?
- Mass deforestation decreases the amount of plant life on the earth. Without plants, carbon dioxide can not be converted to oxygen.