"Big, Bigger, Biggest"

Read the passage first. You do this by pressing the blue underlined words. When the download screen pops up, press OPEN and the passage will come up. After reading, hit the BACK button on your navigation bar, then answer the questions that follow by selecting the appropriate answer selection. After you finish, your answers will be scored.

Useful links:
http://www.discovery.com: This is a great place to go to for related information.
http://www.animalplanet.com: Great site for information about animals.