practiceexam - An interesting website, if you are...

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An interesting website , if you are interested in Tiktaalik http://tiktaalik.uchicago.edu/index.html ************************************** Below are questions from last year’s exam . Use them see how questions are set up and worded in this course. When you take a multiple choice exam, it is a very good idea to cover up the answers. Read the question first and answer it in your mind. Then, look at the choices and pick the one that is closest to the one you have in mind. 1 Which organ in amphioxus is homologous with our thyroid gland? 1. Midgut diverticulum 2. Epibranchial groove 3. Intestine 4. Sinus venosus 5. Endostyle 2 When scientists design phylogenic trees, organisms are grouped together on the basis of 1. synapomorphies. 2. homoplasies. 3. plesiomorphies. 4. adaptations. 5. convergent characters. 3. Some sharks produce yolky eggs that are retained in the body of the female. The young are nourished by the yolk but develop in the uterus and are born alive. This is an example of: 1. Oviparity 2. Ceratotrichia 3. Ovoviviparity 4. Viviparity 5. Heterochrony 4. The Hemichordata are similar to the Chordata because both have 1. a thyroid gland. 2. a true notochord. 3. a hollow dorsal nerve cord that extends the length of the body. 4. pharyngeal slits. 5. Two of the above.
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In the following 3 questions, match the character to the group indicated. 1. Only one cervical vertebra 2. Scales of keratin 3. Bony scales (ctenoid or cycloid) 4. No dermatocranium 5. Cosmoid scales 5. Snake 2 6. Frog 1 7. Chimaera 4 8. Although it is an important characteristic, which of the following is NOT actually a synapomorphy for the chordate clade? 1. Hollow dorsal nerve cord 2. Notochord 3. Pharyngeal slits 4. Ability to bind iodine to protein 5. All are synapomorphies for chordates. 9. Which group consists of extant animals? 1. Lissamphibia 2. Labyrinthodontia 3. Rhipidistia 4. Conodonts 5. Placoderms 4 Amphioxus feeds by 1. creating a water current with a muscular pharynx.
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This note was uploaded on 03/27/2010 for the course ZOL 328 taught by Professor Hill during the Spring '08 term at Michigan State University.

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practiceexam - An interesting website, if you are...

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