This 7 page document is part of a teacher written textbook for Zoology. This chapter focuses on Birds. Includes major bird orders as well an in depth discussion of the evolution of birds from their reptile ancestors. Told with wit and humor that high school students can connect with.
Keywords: Zoology, evolution, birds, aves, archaeopteryx, phylogeny, ornithischian, saurischian, theropods, thermoregulation, ratite, carinite, transitional fossil, feathers, velociraptor, convergent evolution.
To see all individual chapters in the book visit our Zoology category.
Or get the whole textbook in either a PDF format
or Editable Word document