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HOMEWORK ASSIGNMENT # 1 VERTEBRATE ZOOLOGY SPRING 2000 DR. CRONE

Topics: Introduction to Animals and Chordates

distributed 1/18, due 2/1 at lecture time

If HVCC is closed at lecture time on 2/1, then the assignment is due 2/3 at lecture time

Please type your answers to these questions. I expect well-constructed sentences, paragraphs, outlines, and/or diagrams. If you are using course handouts and/or the textbook extensively for your answer, please document appropriately, as well if you are using outside sources. I will grade the entire assignment for a 20 point grade. Answers will be graded for accuracy, completeness, grammar, and appropriateness of citations. The answers should be available in the textbook, the lab manual, or other referenced resources, if not necessarily in the assigned readings!

I will be happy to go over rough drafts with you during office hours or an appointment.

Possible answers will be put on reserve at the library, the Biology Study Center, AMZ 219, and my website after the homeworks have been collected (late Thursday afternoon 2/3).

GOOD LUCK!

  1. In the laboratory portion of Vertebrate Zoology, which of the following approaches will be the most appropriate for dissection: anterior, posterior, dorsal, or ventral? Discuss in terms of your understanding of overall vertebrate structure.
  2. What are the four distinctive structural features of the phylum Chordata found during some part of the life cycle of any chordate? Where are they found in the life cycle of a sea squirt? Where are they found in the life cycle of a lancelet? Please be as specific as you can.
  3. An important part of the course is developing a sense of time scale when different events occurred in the evolution of the vertebrates. This question, based on material you saw in the video,"Eyewitness: Dinosaur," will help to reinforce that sense of time. During what geologic periods did the dinosaurs live--name them and give them approximate dates. What were conditions like back then (in each of these periods)? What other major forms of life (vertebrate or otherwise) were appearing in the fossil record at that time? You may find that other sources (document if you are using them) will have this more laid out than the 7th edition of the Hickman et al. text. I want you to know enough about geologic history so that when I mention periods in lecture, they'll make sense to you.

 

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

 

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This web page last updated on January 28, 2000