Podcast
Questions and Answers
Why are frogs and toads becoming less common in wet areas?
Why are frogs and toads becoming less common in wet areas?
- Because of an increase in natural predators
- Due to the toxic nature of their own secretions
- As a result of the development of natural areas of wet marshland (correct)
- Due to their oversensitivity to changes in the ecosystem
What is a consequence of the decline in frog populations?
What is a consequence of the decline in frog populations?
- A growth in human populations
- A decrease in air pollutants
- A rise in amphibian species
- An increase in pestilent insect populations (correct)
Why are biologists concerned about the decline of frogs?
Why are biologists concerned about the decline of frogs?
- Due to their potential medical uses
- As they are becoming pests in urban areas
- Because they are an important food source for humans
- Since it may signal a coming environmental disaster (correct)
What is a possible reason for the decline of certain frog species in rainforests?
What is a possible reason for the decline of certain frog species in rainforests?
What is a characteristic of amphibian species?
What is a characteristic of amphibian species?
What is a consequence of increased air pollutants?
What is a consequence of increased air pollutants?
What is the unusual characteristic of some Rana klepton esculenta frogs in the Netherlands?
What is the unusual characteristic of some Rana klepton esculenta frogs in the Netherlands?
What is the role of the ozone layer in the Earth's atmosphere?
What is the role of the ozone layer in the Earth's atmosphere?
What could be the reason for the survival of frogs with lighter-colored skins in a warm climate?
What could be the reason for the survival of frogs with lighter-colored skins in a warm climate?
What is a possible explanation for the extinction of some amphibian species?
What is a possible explanation for the extinction of some amphibian species?
What is the potential consequence of the worldwide temperature increase on frog populations?
What is the potential consequence of the worldwide temperature increase on frog populations?
In what year did the 'explosion' of multi-colored frogs of the species Rana klepton esculenta occur in the Netherlands?
In what year did the 'explosion' of multi-colored frogs of the species Rana klepton esculenta occur in the Netherlands?
