Science Notebook - Student Edition

Main Idea Details

302 Reptiles and Birds

Characteristics

of Birds

I found this information

on page.

Model a contour feather and a down feather. Label the structures.

Write brief captions describing the characteristics or functions of

each feather.

Down feathers Contour feathers

Sequence the respirator y organs of a bird. Place the organs from the

list below in the proper sequence. One organ appears more than once.

• lungs


• posterior air sacs
  
  
  • anterior air sacs
  
  
  • trachea
  
  
  
  

Air enters

and exits

Analyze how eye position reflects a bird’s life habits.

Section 29.2 Birds (continued)

Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.