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HOMEWORK ASSIGNMENT # 3 VERTEBRATE ZOOLOGY SPRING 2000

Dr. W. Crone (303 FTZ, 629-7439, cronewil@hvcc.edu, http://www.hvcc.edu/academ/faculty/crone/index.html

Topics: Birds, Mammals, and Digestive System

distributed Tuesday 3/7 (week 8), due Tuesday 4/4 (week 11) at lecture time

These homeworks are to be typed and handed in on time. You are always welcome to hand yours in early in class or at my office. Don't wait until the last minute and risk computer problems, car failure, or other such issues. If you were late (for any reason) with the first or second one, do not be late with this assignment if you want it graded.

PLEASE NOTE: THIS IS THE LAST HOMEWORK OF THE SEMESTER. YOUR BEST TWO (A POSSIBLE TOTAL OF 40 POINTS) WILL BE COUNTED TOWARDS YOUR LECTURE GRADE.

Please answer these questions with listed answers, well-constructed sentences, paragraphs, and/or diagrams. If you are using course handouts and/or the textbook extensively for your answer, please document appropriately. I will grade the entire assignment for a 20 point grade. Answers will be graded for accuracy, completeness, grammar, spelling, and appropriateness of citation. The answers should be available in the textbook, class notes, or other readily accessible material, if not necessarily in the specifically assigned reading for the eighth through tenth weeks!

Possible answers will be put on reserve at the library reserve area, the Biology Study Center (AMZ 219), and my web page after the homeworks have been collected (late Thursday afternoon 4/6 or sometime Friday 4/7).

"You Are What You Eat"

  1. What types of sensory information do birds use to capture food? What would be the major sensory inputs for an eagle, an owl, and a vulture, and why?

  2. You come across the skull of a mammal previously unknown to science. Describe the features that you would look for in determining its omnivore (as vs. carnivore or herbivore) diet. Be sure to explain your reasoning.
  3. You've been abducted by aliens and are about to become an unwilling participant in their nefarious experiments. Members of this particular spaceship want to study the human digestive tract by removing one organ and studying it. They offer you a choice of removing your stomach, your liver, or your pancreas. Stalling for time in the hopes that someone will come to the rescue, you hem and haw and finally tell the aliens to remove your …… Which organ did you choose for them to remove? Which of these three organs is the one that you can most likely live without, given that the odds of rescue are growing increasingly thin? You will need to defend your reasoning (for the top-secret debriefing that follows your return to the planet!).

 

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Please send comments and questions to: cronewil@hvcc.edu

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This web page last updated on March 14, 2000