biology homework (DUE IN 12 HOURS)

NAME: ______________________

BIO 112- Quiz 8

Instructions: Respond to the following questions by including a typed explanation. You are allowed to use your book, your notes, and your classmates as sources to answer any question. Written responses must be in your own words. Your work cannot be similar to the work of your classmates. The quiz is due as a printed hard copy at the beginning of lecture on Wednesday, April 6th. Your assignment must be typed. Do not print out this entire document. Only print out your answers. No excuses. No electronic copies will be accepted.

Your quiz is a continuation of the lecture from Friday on section 26.2 Colonization and Extinction in Metapopulations.

Question 1

a. What species had the highest extinction and highest colonization rates? What explanations did your text include?

b. In Figure 26.10, the relationship between colonization and extinction rate was presented. Why were each species in each subpopulation calculated? What is the value of doing this?

c. There was more sunlight on the north side of the slope, and less sunlight on the south facing side? How would greater or less sunlight contribute to colonization and extinction rate of a species?

Question 2

The figure below was a part of the same study from Question 1. Use the figure below to help you answer part b.

a. Why is it important in understanding extinction rate, body size, and population density? Use the entire text from 26.2 to help you include an answer in your own words.

b. In the figure below, what relationships are significant? Use the figure legend to help you answer this question.

1

Bio 112 Olave Spring 2016