Causes of Extinction and Conservation Quiz
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Questions and Answers

What is the definition of 'extirpation'?

  • The disappearance of every individual of a species from the entire planet
  • Species that are particularly vulnerable to natural events or human activities
  • The local disappearance of a species from a particular area (correct)
  • Species that are in immediate danger of extinction

    • Which species classification is used for species that are likely to become endangered if changes are not made?

  • Threatened (correct)
  • Endangered
  • Special Concern (Vulnerable)
  • Extirpated

    • What is the estimated percentage of all species that have ever existed and are now extinct?

  • 99% (correct)
  • 90%
  • 50%
  • 75%

    • What is the natural process that usually occurs in a slow process, but may lead to extinction if the environment changes too quickly or drastically?

    <p>Natural selection</p> Signup and view all the answers

    Which example best represents a species that is in immediate danger of extinction or extirpation?

    <p>The Burrowing Owl</p> Signup and view all the answers

    What is the term for the complete disappearance of every individual of a species from the entire planet?

    <p>Extinction</p> Signup and view all the answers

    Which classification is used for species that are particularly vulnerable to natural events or human activities?

    <p>Special Concern (Vulnerable)</p> Signup and view all the answers

    What is a cause of extinction due to overspecialization?

    <p>Organisms having adaptations suited to narrow environmental conditions</p> Signup and view all the answers

    What is an example of in-situ conservation?

    <p>Maintaining organisms in their natural environment, such as in national and provincial parks</p> Signup and view all the answers

    What contributes to habitat destruction?

    <p>Construction and agricultural development</p> Signup and view all the answers

    What is a strategy to preserve species?

    <p>Diversity and protected areas</p> Signup and view all the answers

    How is the spread of exotic species controlled?

    <p>Through government policies</p> Signup and view all the answers

    What is a consequence of extinction and extirpation?

    <p>Reduction in biological diversity and impact on other species</p> Signup and view all the answers

    What does in-situ conservation involve?

    <p>Maintaining organisms in their natural environment, such as in national and provincial parks</p> Signup and view all the answers

    What is a cause of extinction related to human activities?

    <p>Over-hunting</p> Signup and view all the answers

    What is the term for the introduction of non-native species by migrating humans, leading to competition with native species?

    <p>Biological invasion</p> Signup and view all the answers

    What is the term for the process that involves maintaining organisms in their natural environment, such as in national and provincial parks?

    <p>In-situ conservation</p> Signup and view all the answers

    Which strategy to preserve species involves the restoration of ecosystems and species, and resource use policies?

    <p>Conservation management</p> Signup and view all the answers

    What contributes to habitat destruction as a cause of extinction?

    <p>Damming of rivers</p> Signup and view all the answers

    What is the term for the process involving maintaining endangered species in zoos and seed banks?

    <p>Ex-situ conservation</p> Signup and view all the answers

    What is the term for the reduction of biological diversity due to extinction and extirpation?

    <p>Biodiversity loss</p> Signup and view all the answers

    What is the term for the process of improving crops, herds, and medical products using biotechnology, with associated risks and controversies?

    <p>Genetic engineering</p> Signup and view all the answers

    What is the term for the process of overpopulation leading to lack of food and contributing to extinction?

    <p>Malthusian crisis</p> Signup and view all the answers

    What can lead to extinction when organisms have adaptations suited to narrow environmental conditions?

    <p>Overspecialization</p> Signup and view all the answers

    What can lead to habitat destruction?

    <p>Pollution</p> Signup and view all the answers

    What has led to the extinction of species like the Plains Bison and African Elephant?

    <p>Over-hunting</p> Signup and view all the answers

    What reduces biological diversity and can affect other species that rely on them as a food source?

    <p>Extinction and extirpation</p> Signup and view all the answers

    What strategy involves maintaining organisms in their natural environment, such as in national and provincial parks?

    <p>In-situ conservation</p> Signup and view all the answers

    What is achieved through government policies to protect endangered species?

    <p>Controlling the spread of exotic species</p> Signup and view all the answers

    What involves maintaining endangered species in zoos and seed banks?

    <p>Ex-situ conservation</p> Signup and view all the answers

    What technology is used to improve crops, herds, and medical products, but has risks and controversies?

    <p>Genetic engineering</p> Signup and view all the answers

    What is the term for the local disappearance of a species from a particular area?

    <p>Extirpation</p> Signup and view all the answers

    What is the term for species that are particularly vulnerable to natural events or human activities?

    <p>Special Concern (Vulnerable)</p> Signup and view all the answers

    What is the estimated percentage of all species that have ever existed and are now extinct?

    <p>99%</p> Signup and view all the answers

    What is an example of a species in immediate danger of extinction or extirpation?

    <p>Burrowing Owl</p> Signup and view all the answers

    What is the term for the introduction of non-native species by migrating humans, leading to competition with native species?

    <p>Invasive Species</p> Signup and view all the answers

    What is the term for the reduction of biological diversity due to extinction and extirpation?

    <p>Reduction of Biodiversity</p> Signup and view all the answers

    What is a cause of extinction related to human activities?

    <p>Habitat Destruction</p> Signup and view all the answers

    What is the term for the process involving maintaining endangered species in zoos and seed banks?

    <p>Ex-situ Conservation</p> Signup and view all the answers

    What is a strategy to preserve species that involves the restoration of ecosystems and species, and resource use policies?

    <p>In-situ Conservation</p> Signup and view all the answers

    What is the term for the process that involves maintaining organisms in their natural environment, such as in national and provincial parks?

    <p>In-situ Conservation</p> Signup and view all the answers

    What is a cause of extinction due to overspecialization?

    <p>Overspecialization</p> Signup and view all the answers

    What is the term for the process of overpopulation leading to lack of food and contributing to extinction?

    <p>Carrying Capacity</p> Signup and view all the answers

    What can lead to extinction when organisms have adaptations suited to narrow environmental conditions?

    <p>Overspecialization</p> Signup and view all the answers

    What is the term for the process of improving crops, herds, and medical products using biotechnology, with associated risks and controversies?

    <p>Biotechnology</p> Signup and view all the answers

    What is the term for the local disappearance of a species from a particular area?

    <p>Extirpation</p> Signup and view all the answers

    What is the term for the process involving maintaining organisms in their natural environment, such as in national and provincial parks?

    <p>In-situ conservation</p> Signup and view all the answers

    What involves maintaining endangered species in zoos and seed banks?

    <p>Ex-situ conservation</p> Signup and view all the answers

    What is the term for the process of overpopulation leading to lack of food and contributing to extinction?

    <p>Overspecialization</p> Signup and view all the answers

    What is the term for the introduction of non-native species by migrating humans, leading to competition with native species?

    <p>Introduction of non-native species</p> Signup and view all the answers

    What is the term for the reduction of biological diversity due to extinction and extirpation?

    <p>Biodiversity loss</p> Signup and view all the answers

    What is a cause of extinction related to human activities?

    <p>Habitat destruction</p> Signup and view all the answers

    What is achieved through government policies to protect endangered species?

    <p>Controlling the spread of exotic species</p> Signup and view all the answers

    What is the term for the process that involves maintaining organisms in their natural environment, such as in national and provincial parks?

    <p>In-situ conservation</p> Signup and view all the answers

    What is the term for the process of maintaining endangered species in zoos and seed banks?

    <p>Ex-situ conservation</p> Signup and view all the answers

    What is a potential risk associated with biotechnology, such as genetic engineering, artificial reproductive technology, and cloning?

    <p>Creation of designer babies</p> Signup and view all the answers

    What can lead to extinction when organisms have adaptations suited to narrow environmental conditions?

    <p>Overspecialization</p> Signup and view all the answers

    What is a cause of extinction related to human activities?

    <p>Habitat destruction</p> Signup and view all the answers

    What contributes to habitat destruction as a cause of extinction?

    <p>Pollution</p> Signup and view all the answers

    What is the term for the process that involves maintaining organisms in their natural environment, such as in national and provincial parks?

    <p>In-situ conservation</p> Signup and view all the answers

    What has led to the extinction of species like the Plains Bison and African Elephant?

    <p>Over-hunting</p> Signup and view all the answers

    What is the term for the reduction of biological diversity due to extinction and extirpation?

    <p>Biological homogenization</p> Signup and view all the answers

    What is a strategy to preserve species?

    <p>Resource use policies</p> Signup and view all the answers

    What is achieved through government policies to protect endangered species?

    <p>Controlling the spread of exotic species</p> Signup and view all the answers

    What is the term for the process involving maintaining endangered species in zoos and seed banks?

    <p>Ex-situ conservation</p> Signup and view all the answers

    What is the term for the introduction of non-native species by migrating humans, leading to competition with native species?

    <p>Invasive species</p> Signup and view all the answers

    What is the term for the process of improving crops, herds, and medical products using biotechnology, with associated risks and controversies?

    <p>Genetic modification</p> Signup and view all the answers

    Study Notes

    Causes of Extinction and Extirpations

    • Causes of extinction include catastrophic events, lack of food due to overpopulation, disease, habitat destruction, introduction of non-native species, and over-hunting
    • Habitat destruction is caused by construction, agricultural development, logging, damming of rivers, and pollution
    • Overspecialization can lead to extinction when organisms have adaptations suited to narrow environmental conditions
    • Introduction of non-native species by migrating humans leads to competition with native species
    • Over-hunting, such as unsustainable hunting, has led to the extinction of species like the Plains Bison and African Elephant
    • Extinction and extirpation reduce biological diversity and can affect other species that rely on them as a food source
    • Strategies to preserve species include diversity, protected areas, restoration of ecosystems and species, resource use policies, and controlling the spread of exotic species
    • In-situ conservation involves maintaining organisms in their natural environment, such as in national and provincial parks
    • Resource use policies, including government laws, help protect endangered species
    • Controlling the spread of exotic species is achieved through government policies
    • Conservation of genetic resources involves ex-situ conservation, such as maintaining endangered species in zoos and seed banks
    • Biotechnology, including genetic engineering, artificial reproductive technology, and cloning, is used to improve crops, herds, and medical products, but has risks and controversies, such as in the case of genetically altering humans to create designer babies.

    Causes of Extinction and Extirpations

    • Causes of extinction include catastrophic events, lack of food due to overpopulation, disease, habitat destruction, introduction of non-native species, and over-hunting
    • Habitat destruction is caused by construction, agricultural development, logging, damming of rivers, and pollution
    • Overspecialization can lead to extinction when organisms have adaptations suited to narrow environmental conditions
    • Introduction of non-native species by migrating humans leads to competition with native species
    • Over-hunting, such as unsustainable hunting, has led to the extinction of species like the Plains Bison and African Elephant
    • Extinction and extirpation reduce biological diversity and can affect other species that rely on them as a food source
    • Strategies to preserve species include diversity, protected areas, restoration of ecosystems and species, resource use policies, and controlling the spread of exotic species
    • In-situ conservation involves maintaining organisms in their natural environment, such as in national and provincial parks
    • Resource use policies, including government laws, help protect endangered species
    • Controlling the spread of exotic species is achieved through government policies
    • Conservation of genetic resources involves ex-situ conservation, such as maintaining endangered species in zoos and seed banks
    • Biotechnology, including genetic engineering, artificial reproductive technology, and cloning, is used to improve crops, herds, and medical products, but has risks and controversies, such as in the case of genetically altering humans to create designer babies.

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    Topic 4 Slides - Cross.pptx

    Description

    Test your knowledge of the causes of extinction and extirpations with this quiz. Explore the impact of habitat destruction, over-hunting, introduction of non-native species, and other factors on biological diversity. Learn about preservation strategies and the controversies surrounding biotechnology in conservation efforts.

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