Podcast
Questions and Answers
What led to the extinction of the dodo bird?
What led to the extinction of the dodo bird?
- Hunting by humans, dogs, and pigs (correct)
- Competition with other bird species for food
- Climate change on the island of Mauritius
- Disease outbreak among dodo population
What is mentioned as a natural cause of extinction in the text?
What is mentioned as a natural cause of extinction in the text?
- Overpopulation of the species
- Introduction of new predators by humans
- Changes in climate (correct)
- Decrease in food resources due to human activities
What percentage of species that ever lived on Earth are now extinct?
What percentage of species that ever lived on Earth are now extinct?
- 60%
- 85%
- 99.9% (correct)
- 75%
What does the text suggest is necessary for a species to avoid extinction?
What does the text suggest is necessary for a species to avoid extinction?
What is highlighted as a factor that could lead to the loss of a species?
What is highlighted as a factor that could lead to the loss of a species?
What is mentioned as a contributing factor to the extinction of many animals?
What is mentioned as a contributing factor to the extinction of many animals?
What is emphasized as a reason for the dodo bird's extinction?
What is emphasized as a reason for the dodo bird's extinction?
Why are mass extinctions considered to be very special events?
Why are mass extinctions considered to be very special events?
What is the main consequence of the extinction of just one species in an ecosystem?
What is the main consequence of the extinction of just one species in an ecosystem?
Why are extinctions caused by human intervention more frequent?
Why are extinctions caused by human intervention more frequent?
What happened when wolves were hunted nearly to extinction in the U.S.?
What happened when wolves were hunted nearly to extinction in the U.S.?
Why did the decrease in songbirds lead to an increase in insect populations?
Why did the decrease in songbirds lead to an increase in insect populations?
How do human activities like damming of rivers and introduction of foreign species impact ecosystems?
How do human activities like damming of rivers and introduction of foreign species impact ecosystems?
What is the significance of the disappearance of one species of bee?
What is the significance of the disappearance of one species of bee?
Why are mass extinctions and human-caused extinctions a cause for concern?
Why are mass extinctions and human-caused extinctions a cause for concern?
Flashcards are hidden until you start studying
