211k views
0 votes
Birds are able to sustain long flights at high altitudes because they:

1 Answer

6 votes

Answer:Birds are able to sustain long flights at high altitudes because they have

Step-by-step explanation:

1. Efficient respiratory system

2. Adaptations for high-altitude flight

3. Aerodynamic design

4. Energy conservation

5. Migration strategies

User Bastyon
by
7.1k points