1. What type of animal has qiviut, super-thick and long wool?
2. How many hairs are in a square inch of a sea otter’s fur?
3. What does a bowhead whale have a 2-foot-thick layer of to stay warm?
4. How long does a male emperor penguin keep an egg warm before it hatches?
5. What birds huddle in formation to stay warm?
6. What does being cold-blooded mean?
7. True or False: once a wood frog freezes, it’s dead.
8. What does antifreeze do?
9. What do wood frogs use as antifreeze?
10. How does the antifreeze in ice fish work?
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