Birds
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Created by:
morganpotts16 on May 4, 2012
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12 terms
Terms | Definitions |
|---|---|
 Characteristics of Birds | feathers, wings, lightweight bones, adaptions for flight, ectotherms |
| Feathers | outgrowths of the skin |
| Functions of Feathers | flight and insulation |
| Contour Feathers | cover the body |
| Down Feathers | located beneath contour, trap air for insulation |
| Preen Gland | secretes oil for waterproofing |
| Purpose of Respiration in Birds | flight needs large amounts of oxygen |
| Air System in Birds | One way |
| Birds heart | 4 chambers |
| Mating Rituals | complicated |
| Reproduction | eggs are incubated internal fertilization |
| Divided according to | anatomical difference behaviors habitats occupied songs |
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