bieb_132_exam_2_2009_key_to_post - Marine Biology(BIEB 132...

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Marine Biology (BIEB 132). Exam 2, Fall 2009. Name _____________________________ 1 ID number ______________________ Before you begin, check to be sure that your exam has four pages, and write your name on each page (and your ID number on this page). Answer in blue or black ink only. Each question is worth 2 points. Multiple choice questions have only one correct answer. You have 50 minutes for the exam. Multiple choice (circle correct letter) 1) Samples of whale meat from Japanese markets analyzed by Baker & Palumbi showed that: a) none were from whales; b) all were from dolphins and sharks; c) the meat came from several species of whales; d) all were from Minke whales; e) (a) and (b) only 2) Genetic data presented by Dr. Burton on a tidepool copepod ( Tigriopus californicus ) showed that: a) rapid genetic changes frequently occur in small populations; b) populations located within a kilometer of each other along the coast are genetically similar; c) genetic differences can develop between neighboring populations, but these disappear each year; d) all of the above; e) none of the above 3) In a study discussed in class documenting mislabeling of seafood in American fish markets, Marko et al (2004) used DNA sequence data to show that: a) fish was sometimes substituted for scallops; b) shark was sometimes substituted for swordfish; c) other fish species were substituted for mahi-mahi; d) Atlantic red snapper was substituted for Gulf red snapper; e) none of the above 4) How can DNA sequence data contribute to our understanding of dispersal of planktonic larvae? a) We can identify larvae by matching their DNA sequences to those of potential adult specimens; b) We can compare populations to see if they have the same allele frequencies – similar frequencies suggest exchange of migrants (without even studying the larvae); c) We can compare the genetic composition of newly settled larvae to different adult populations: a close match might demonstrate the source of the recruits; d) All of the above are true; e) Only (a) and (b) are true. 5) The function of tubular eyes in deep-sea fishes is to: a. look for mates; b. sense movement ; c. see downward-directed light; d. enhance color vision. 6) Statocysts detect:
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This note was uploaded on 02/23/2010 for the course BIEB BIEB 132 taught by Professor Hastings during the Fall '09 term at UCSD.

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bieb_132_exam_2_2009_key_to_post - Marine Biology(BIEB 132...

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