NAU Biology BIO 326
NAU
Syllabus The Class Communicate Library Instructor
HelpGet Started
BIO326 : Community : Community Patterns : Review Questions

Community Patterns: Review Questions

To complete this assignment successfully, you should:

  1. Study the assignment carefully
  2. Enter your response(s) in the space(s) provided
  3. Fill in your Name and Email address
  4. Send the Assignment

DUE: 14-Apr-2000. Work sent after this date will receive a grade of zero.
1. The text suggests several ways that changes in niche breadth and overlap could account for the high diversity in the tropics.

a) What is an ecological niche?

b) Which of the text's suggestions seems to be exemplified by birds and bats? Explain.

2. Diversity on islands was modeled as a balance of rates.

a) A rate is a ratio. What were the two ratios in the model of island biogeography in Fig. 24.11 (page 561)?

b) Why was each of the two rate lines in Fig. 24.11 (page 561) curved and not linear?

3. Some species in similar habitats in different parts of the world seem very similar even though they are not related. What might be responsible for such convergence of species?

4. What is the concept of a minimum viable population and how is ensuring an MVP made difficult if a species is migratory?


For grading purposes, please provide the following information:

Your Name:
Your Email address:

Once you have filled in all of the areas above, click the Send the assignment button below to send the assignment to the instructor.

  

E-mail Professor Gaud at William.Gaud@nau.edu
or call (520) 523-7516
NAU Copyright 1999 Northern Arizona University
ALL RIGHTS RESERVED