7Life Science Ch17 Birds and Mammals
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Created by:
heartstars on May 7, 2012
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12 terms
Terms | Definitions |
|---|---|
 Are Birds Endothermic or Ectothemic | endothermic |
| Feathers help birds stay dry & warm,attract mates, and________ | fly |
| Act of grooming & maintaining feathers | preening |
| The process of shedding old feathers & grows new ones | molting |
| What are two kinds of feathers | down and contour |
| unSoft feather that covers the body of young birds and provides insulation in adults | down |
| one of the most external feathers that cover a bird and help determine its shape | contour |
| internal body temperature of _____degrees Celsius | 40 |
| stores food | crop |
| muscular organ that mixes food and stones to grind up food. | gizzard |
| increase lung capacity, necessary for burning energy | air sacs |
| provides steady stream of oxygen rich blood to the flight muscles | rapidly beating heart |
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