25 Questions
What is the ecological niche of a species?
Role in the ecosystem
What type of species normally live and thrive in a particular ecosystem?
Native species
Why is the concept of indicator species important in ecology?
They provide warnings about damage to ecosystems.
What is the role of keystone species in an ecosystem?
Keystone species influence the type and abundance of other species.
Why is predation considered beneficial at the population level?
It removes sick, aged, weak, or least fit members of a population.
Which atmospheric layer contains most of the mass of the earth's air?
Troposphere
What is the composition of the troposphere?
Nitrogen and oxygen
Why might melting permafrost accelerate climate change?
Methane gas stored in the frozen ground will be released.
Which of the following statements about ozone depletion is false?
Ozone thinning levels remain steady over seasons.
Which statement is not true about CFCs?
Ocean acidification is responsible for the breakdown of ozone to molecular oxygen.
Where do air pollutants come from?
Both human and natural sources.
Has the quality of outdoor air in most developed countries greatly improved over the past 30 years?
True
Has an emissions credit trading system in place since 1990 significantly helped reduce sulfur dioxide emissions from electrical power plants?
False
What is the main focus of the problem related to climate change in the text?
The quick rate of change in average global temperature.
In the short term, which climate change effect may benefit some humans?
Melting glacial ice
Which strategy is mentioned as an output strategy for combating climate change?
Energy efficiency laws
How does the use of biochar help remove carbon from the atmosphere?
Keeping carbon in the soil for up to 1,000 years
What is suggested as the quickest and cheapest way to slow the buildup of carbon dioxide in the atmosphere?
Put a price on carbon dioxide emissions
Which of the following is NOT identified as a potential benefit of some humans from climate change effects?
Biodiversity loss
What environmental problem results in respiratory ailments, aquatic fish kills, weakening of forest ecosystems, and damage to buildings and monuments?
Acid deposition
Which international agreement aims to cut greenhouse gas emissions and slow global warming?
Kyoto Protocol
What is the term used to describe an atmospheric carbon dioxide level of 450 ppm where climate change becomes irreversible?
Tipping point
What are Chlorofluorocarbons (CFCs) and where have they been widely used?
Manmade compounds in refrigerants and sprays
Which of the following is NOT a major class of air pollutants?
Hydrocarbon emissions
What are three sources of nitrogen oxides, one of the major classes of air pollutants?
Industry, motor vehicles, fertilizers
Test your knowledge on climate change with this quiz! Identify the key issues related to global temperature changes and their impacts. Choose the correct answers based on the information provided.
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