Vanishing Golden Frogs

Vanishing Golden Frogs


Sometimes, scientific inquiry is like trying to solve a mystery. A scientist or even an ordinary citizen might discover a problem, and scientists use the process of scientific inquiry to find the solution. In The Case of the Vanishing Golden Frogs: A Scientific Mystery, author Sandra Markle tells the true story of how biologist Dr. Karen Lips discovers that golden frogs are vanishing and works tirelessly to solve the mystery, using the help of researchers in other scientific fields.

Use the resources on the Vanishing Golden Frogs student esheet to help you answer the questions on this sheet.

Frog Life Cycle

How do frogs begin their life cycle?


What type of living thing is a frog?


What do the eggs hatch into?


What is the next stage that they go through?


What happens to the young frogs if they survive?


Sandra Markle Reading at AAAS Annual Meeting

Based on this video, what did biologist Karen Lips notice that led her to believe there was a problem with the frogs?



Amphibian Avenger: Smithsonian Scientist Brian Gratwicke

What is Dr. Brian Gratwicke’s profession?



What percentage of known amphibian species are we losing worldwide?



What is the main focus of Dr. Gratwicke’s job?



Why do Dr. Gratwicke and his colleagues bring wild frogs into a study facility?



What are the four main threats to amphibians worldwide?



What happens when the chytrid fungus makes its way into the frog populations in the mountainous regions of Central America?



What are some reasons that frogs are important to humans?



Where did Dr. Gratwicke grow up?



What idea transformed his thinking?



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