for this homework you are going to read the attached chapter and answer the foll

for this homework you are going to read the attached chapter and answer the following questions.
Questions Ch. 19, 20, and 21
1. Compare and contrast the Biological and Phylogenetic Species Concepts. Which concept does the field of ornithology use and why?
2. Give a description of allopatric speciation. Describe an example of allopatric speciation in a family of birds in North America.
3. Explain figure 20-2
.
4. Compare and contrast open and closed communities. Use examples to support your discussion.
5. In terms of shortgrass prairie birds, what are the major issues that have led to their decline? What has been done to maintain the populations of these species?
6. Discuss 2 other threats that have lead to the decline of bird populations, that you did not discuss question 5.
This is the name of the book that the chapters those chapters are taken out from
Ornithology Third edition by Frank B. Gill (2006)
you can site it in the reference