Podcast
Questions and Answers
Which activity is primarily responsible for the decline in biological wealth on our planet?
Which activity is primarily responsible for the decline in biological wealth on our planet?
- Deforestation (correct)
- Alien invasion
- Climate change
- Natural disasters
How many native bird species are believed to have gone extinct due to human colonization of tropical Pacific Islands?
How many native bird species are believed to have gone extinct due to human colonization of tropical Pacific Islands?
- 2,000 (correct)
- 1,500
- 1,000
- 500
How many species have gone extinct in the last 500 years according to the IUCN Red List (2004)?
How many species have gone extinct in the last 500 years according to the IUCN Red List (2004)?
- 200
- 500
- 784 (correct)
- 1,000
Which of the following is an example of a recent extinction?
Which of the following is an example of a recent extinction?
How many species have disappeared in the last twenty years?
How many species have disappeared in the last twenty years?
Are extinctions across taxa random?
Are extinctions across taxa random?
Are new species being added to the earth's treasury of species?
Are new species being added to the earth's treasury of species?