- Why might it be important for animals to be afraid of certain things?
- What do you do when you are afraid of something? Give a specific example of
a situation that scared you, and explain how you reacted.
- How can frog embryos tell that a snake is about to attack? How do the frogs
adapt to this danger?
- Why might it be dangerous for a frog to hatch early?
- What happened to Yellowstone's aspen trees when the number of wolves in the
- What happened to elk and aspens when scientists re-introduced wolves to the
- Explain this quote: "There are probably many interconnections and functions
that we don't know about yet." What does forest ecologist William Ripple mean?
- In your own words, explain the meaning of the term, "ecology of fear."
- Why did the number of wolves originally decline in Yellowstone Park?
- How might our own fear affect ecosystems? Give an example.
- Besides fear, what other adaptive emotions do species need to survive?
- Is fear always caused by danger? What is the difference between fear and
- How does fear affect you? What do you do in your own life to make sure you
- What are some advantages and disadvantages of being a fearful person? What
are the pros and cons of being a fearless person?
- Which is better for the survival of a species: fearfulness or fearlessness?
Explain your answer.
- Young animals are often most vulnerable. Pick an animal to research. What is
your animal most afraid of? How do parents of the species teach their young what
What types of plants and animals live in Yellowstone Park? How do they interact with each other? For help, visit www.nps.gov/yell/naturescience/index.htm (Yellowstone National
- Write a letter to a younger child explaining why fear might sometimes be a
- Argue for or against this claim: Fear can lead to danger. Use three specific
examples to support your position.