Birds

Access restricted

Access to study materials is restricted. You are not logged in to Opiq.

A valid license for package „Opiq+ Home” is required to use the kit. Click the link with the package name to learn more about the package and order a license.

If you have a valid license, log in to view the chapter.

Chapter topics:

  1. Birds
  2. Many physical features enable birds to fly
  3. Birds near the sea
  4. Birds are homeothermic
  5. Courtship displays of male birds
  6. Bird reproduction
  7. Waterfowl terminology
  8. Competition on two levels
  9. Each species has its own ecological niche
  10. Summary

A valid license for package „Opiq+ Home” is required to use the kit. Click the link with the package name to learn more about the package and order a license.

If you have a valid license, log in to view the chapter.