Curated by
ACT
[Free Registration/Login may be required to access all resource tools.] There is an amazingly wide variety of birds. Birds are vertebrates. Almost all have forelimbs modified as wings, but not all birds can fly. Learn more about birds in this learning module produced by CK-12.
3 Views
2 Downloads
Concepts
Additional Tags
Classroom Considerations
- Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)