Below are three graphs showing data about 27 different mammals.

To Do

• Experiment with clicking on points.
• Try "shift-clicking" when there are already points selected.
• Experiment with "drag selecting" points.

Tricky Questions

1. Which mammal has the longest lifespan?
   The shortest lifespan?
2. What is the diet of the Gray Seal?
   And what is its habitat?
3. How many of the mammals only eat plants?
   And of these, which one has the shortest lifespan?
4. Of the mammals that only eat meat, which one has the longest lifespan?
   Name a mammal that has the longest lifespan of those that only eat meat and only live on land.
5. What is the lifespan of the jaguar?
   What other mammal has the same lifespan as the jaguar?
6. What is the most frequent lifespan?
   Which mammals have that lifespan?

Come up with a tricky question of your own!

Try this: Click on the LifeSpan label in the rightmost graph. Use the menu that appears to change to some other attribute of mammals. Find a surprising fact or two.

“It is the mark of an educated mind to be able to entertain a thought without accepting it.”

~ Aristotle