Podcast
Questions and Answers
What is the ecological niche of a species?
What is the ecological niche of a species?
- Food supply
- Length of survival
- Habitat
- Role in the ecosystem (correct)
What type of species normally live and thrive in a particular ecosystem?
What type of species normally live and thrive in a particular ecosystem?
- Native species (correct)
- Specialist species
- Nonnative species
- Keystone species
Why is the concept of indicator species important in ecology?
Why is the concept of indicator species important in ecology?
- They have a large effect on other species in an ecosystem.
- They provide warnings about damage to ecosystems. (correct)
- Indicator species are always at the top of the food chain.
- Indicator species are vital for the overall health of the ecosystem.
What is the role of keystone species in an ecosystem?
What is the role of keystone species in an ecosystem?
Why is predation considered beneficial at the population level?
Why is predation considered beneficial at the population level?
Which atmospheric layer contains most of the mass of the earth's air?
Which atmospheric layer contains most of the mass of the earth's air?
What is the composition of the troposphere?
What is the composition of the troposphere?
Why might melting permafrost accelerate climate change?
Why might melting permafrost accelerate climate change?
Which of the following statements about ozone depletion is false?
Which of the following statements about ozone depletion is false?
Which statement is not true about CFCs?
Which statement is not true about CFCs?
Where do air pollutants come from?
Where do air pollutants come from?
Has the quality of outdoor air in most developed countries greatly improved over the past 30 years?
Has the quality of outdoor air in most developed countries greatly improved over the past 30 years?
Has an emissions credit trading system in place since 1990 significantly helped reduce sulfur dioxide emissions from electrical power plants?
Has an emissions credit trading system in place since 1990 significantly helped reduce sulfur dioxide emissions from electrical power plants?
What is the main focus of the problem related to climate change in the text?
What is the main focus of the problem related to climate change in the text?
In the short term, which climate change effect may benefit some humans?
In the short term, which climate change effect may benefit some humans?
Which strategy is mentioned as an output strategy for combating climate change?
Which strategy is mentioned as an output strategy for combating climate change?
How does the use of biochar help remove carbon from the atmosphere?
How does the use of biochar help remove carbon from the atmosphere?
What is suggested as the quickest and cheapest way to slow the buildup of carbon dioxide in the atmosphere?
What is suggested as the quickest and cheapest way to slow the buildup of carbon dioxide in the atmosphere?
Which of the following is NOT identified as a potential benefit of some humans from climate change effects?
Which of the following is NOT identified as a potential benefit of some humans from climate change effects?
What environmental problem results in respiratory ailments, aquatic fish kills, weakening of forest ecosystems, and damage to buildings and monuments?
What environmental problem results in respiratory ailments, aquatic fish kills, weakening of forest ecosystems, and damage to buildings and monuments?
Which international agreement aims to cut greenhouse gas emissions and slow global warming?
Which international agreement aims to cut greenhouse gas emissions and slow global warming?
What is the term used to describe an atmospheric carbon dioxide level of 450 ppm where climate change becomes irreversible?
What is the term used to describe an atmospheric carbon dioxide level of 450 ppm where climate change becomes irreversible?
What are Chlorofluorocarbons (CFCs) and where have they been widely used?
What are Chlorofluorocarbons (CFCs) and where have they been widely used?
Which of the following is NOT a major class of air pollutants?
Which of the following is NOT a major class of air pollutants?
What are three sources of nitrogen oxides, one of the major classes of air pollutants?
What are three sources of nitrogen oxides, one of the major classes of air pollutants?
