Podcast
Questions and Answers
What is the IUCN Red List known for documenting?
What is the IUCN Red List known for documenting?
- The geographical distribution of endangered species
- The introduction of new species in ecosystems
- The extinction of species over the last 500 years (correct)
- The evolution of species in different habitats
Which of the following species has not been listed as extinct?
Which of the following species has not been listed as extinct?
- Siberian Tiger (correct)
- Quagga
- Steller's Sea Cow
- Dodo
How many vertebrates have gone extinct according to the IUCN Red List since 1500?
How many vertebrates have gone extinct according to the IUCN Red List since 1500?
- 87
- 784
- 359
- 338 (correct)
Human activities are responsible for the loss of biodiversity. What is one specific impact mentioned?
Human activities are responsible for the loss of biodiversity. What is one specific impact mentioned?
In the last 20 years, how many species are reported to have disappeared?
In the last 20 years, how many species are reported to have disappeared?
Which group of species is currently facing the highest percentage of extinction threat?
Which group of species is currently facing the highest percentage of extinction threat?
What distinguishes the current extinction event from previous mass extinctions in Earth's history?
What distinguishes the current extinction event from previous mass extinctions in Earth's history?
Which of the following effects of biodiversity loss is NOT mentioned in the content?
Which of the following effects of biodiversity loss is NOT mentioned in the content?
What is the term used to describe the four major causes of biodiversity loss?
What is the term used to describe the four major causes of biodiversity loss?
If current extinction trends continue, what proportion of species could be wiped out in the next 100 years?
If current extinction trends continue, what proportion of species could be wiped out in the next 100 years?
Flashcards
Loss of Biodiversity
Loss of Biodiversity
A decrease in the variety of life on Earth.
Species Extinction
Species Extinction
The complete disappearance of a species from Earth.
IUCN Red List
IUCN Red List
A list of species facing extinction risk.
Extinct Species Examples
Extinct Species Examples
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Sixth Extinction
Sixth Extinction
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Extinction Rate
Extinction Rate
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Human Activities
Human Activities
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Evil Quartet
Evil Quartet
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Amphibian Vulnerability
Amphibian Vulnerability
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Biodiversity Loss Consequences
Biodiversity Loss Consequences
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Study Notes
Loss of Biodiversity
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New species are unlikely to be added to the earth's biodiversity, but losses are certain
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Human activities are the primary cause of biodiversity decline
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Colonization of tropical Pacific Islands led to extinction of over 2000 native bird species.
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IUCN Red List (2004) reports the extinction of 784 species (including 338 vertebrates, 359 invertebrates and 87 plants) within the past 500 years.
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Examples of recent extinctions include the Dodo (Mauritius), Quagga (Africa), Thylacine (Australia), Steller's Sea Cow (Russia), and three subspecies of tiger (Bali, Javan, Caspian).
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The last 20 years alone witnessed the disappearance of 27 species.
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Description
Test your knowledge about the decline of biodiversity and the influence of human activities on various species. This quiz covers key examples of extinction, including famous cases and current statistics from the IUCN Red List. Understand the significance of biodiversity loss and its implications for our planet.
