E3: Birds Flashcards
1
Q
Air current is ____ to the blood flow.
A
Opposite
2
Q
What term is used to describe the gas exchange in birds?
A
Counter current gas exchange
3
Q
How do birds make sounds?
A
- not vocal cords
- use syrinx
4
Q
Define altricial.
A
Offspring hatch naked and require extended parental care
5
Q
Define precocial.
A
Offspring hatch “ready to go” and can leave the nest (not necisarily mom)
- ducks and turkeys
6
Q
A