30 Questions
Which factor is responsible for the current biodiversity crisis on Earth?
Human activities
What does genetic diversity include?
Individual genetic variation within a population
What is the impact of extinction on genetic diversity?
Extinction reduces genetic diversity
What is species diversity?
Variety of species in an ecosystem
What is extirpation?
Local extinction
What percentage of known bird species are threatened or near extinction according to the IUCN?
12%
What is the role of the Committee on the Status of Endangered Wildlife in Canada (COSEWIC)?
Assess conservation status and make recommendations to federal government
Which factor is the single greatest threat to biodiversity?
Habitat loss
What is the goal of the Species at Risk Act (SARA)?
To protect endangered and vulnerable species
What is the IUCN Red List used for?
Identifying species at risk of extinction
What is the main reason for the decline in biodiversity through human activities?
Habitat loss
Which process helps sustain human life by filtering water and decomposing wastes?
Bacteria and fungi
What is the main threat to biodiversity on islands?
Introduced species
What is the focus of landscape ecology in terms of biodiversity conservation?
Sustaining biodiversity of communities and ecosystems
Which of the following is NOT one of the global changes brought about by humans mentioned in the text?
Ozone depletion
Which of the following is a characteristic of movement corridors?
They connect isolated patches of habitat
What is the purpose of buffer zones in protected areas?
To regulate and prevent extensive alterations of the protected area
What is the critical load?
The amount of added nutrient that can be absorbed by plants without damaging ecosystem integrity
What is the process by which toxic chemicals build up within predators called?
Biomagnification
Which of the following acts was NOT passed in the early 1970s?
Environmental Protection Agency Act
Who is the author of the book 'Silent Spring' that is mentioned in the text?
Rachel Carson
Which of the following is a consequence of elevated CO2 levels in greenhouse experiments?
Forestry plots produced 15% more wood
What is the main cause of the destruction of ozone?
Accumulation of chlorofluorocarbons (CFCs)
Which of the following is a solution to reduce greenhouse gas emissions?
Reducing burning of coal, natural gas, and wood
What is the Montreal Protocol?
A treaty that regulates the use of ozone-depleting chemicals
What are the three pillars of sustainability?
Connect natural science, social science, economics, and humanities
What is the main consequence of the depletion of atmospheric ozone?
Increased intensity of UV rays reaching Earth
What is the effect of elevated CO2 levels on insect pests and disease?
They may become more common
What is the future solution proposed to reduce CO2 emissions?
Capture and bury CO2 emissions
What is the effect of elevated CO2 levels on plant growth in greenhouse experiments?
Plants grow faster
Test your knowledge on the importance of movement corridors in preserving biodiversity. Learn about the impact of edge adapted species like Brown headed cowbirds on migratory songbirds and the role of riparian habitats as corridors. Explore government policies that incorporate corridors in fragmented habitats.
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