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Birds
Test I
| Question | Answer |
|---|---|
| I: Feathers; What sets birds apart from all other creatures | only animals w/ feathers |
| What is the purpose of the contour feathers | Help fly |
| Describe the difference between flight contour feathers and body contour feathers | FCF are larger and have a long stiff shaft. BCF are shorter and softer |
| What kind of feathers fill the space between contour feathers and down feathers | semi- plumes |
| What is the purpose of down feathers | insulation |
| What do bristles help birds do | feel and sense space |
| what are two ways that birds can get coloring | True pigments (red, browns, light colors & yellow) occur naturally; Reflected pigments- give the illusion of colors, not natural, (blues, greens, & purples) |
| Describe the difference between recognizing and identifying a bird | Recognizing- a little more than looking at it; Identifying- being able to name it |
| II: Anatomy- feet and wings Why is it helpful to know the topography of a bird | to be able to recognize birds and locate them in a field guide |
| How do most birds walk | toes |
| What are scales | Protective covering for feet |
| why do shore birds have webbing | helps them swim |
| what five things do birds possess which enables them to fly | light weight bones & tail- feathers & muscles & steam- lined shape & ability to change directions quickly |
| To what do the primaries attach | carpo- metacarpus |
| to what bone do the secondaries attach | ulna |
| what is the purpose of the humerus | power for flight |
| for what are slots used | lift |
| how does the tail help in flight | bake & steering |
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GuineaPigwca
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