Birds Flashcards
1
Q
Skelton
A
Hollow to make them light
2
Q
Feather characteristics
A
Made of keratin
Down feathers- prevent heat loss
Contour feathers- shape, color, insulation
Flight feathers- flight
3
Q
Respiratory system
A
25% inhaled air goes to lungs, 75% goes to 1 of 9 air sacs, some of which leads to bones
4
Q
Beak adaptations
A
Adapted to the food that they eat
