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Unformatted text preview: 1 BIO 102 name ___________________ Third exam 15 April 2010 Select the BEST answer or phrase for the following questions. This exam has 50 questions. READ the questions and possible answers carefully. Read all choices before selecting the "best" one. 1. The extinction of _____ permitted the adaptive radiation of ___. a. meat-eating dinosaurs, humans b. mosses, algae c. dinosaurs, mammals d. mosquitoes, malaria e. a and d 2. The seeds of what parasitic plant germinate when they get on branches of another angiosperm? a. dodder b. dwarf mistletoe c. witchweed d. lichen e. true mistletoe 3. The role of shellfish in PSP is to a. cause dinoflagellates to make toxin b. reduce the potency of the toxin made by dinoflagellates c. concentrate toxic dinoflagellates d. convince fish to stay in school e. lure unsuspecting swimmers to dangerous depths 4. Darwin’s four principles include a. variation, overproduction, limits on population growth, differential reproductive success b. variation, overproduction, limits on population growth, crossing over c. speciation, overproduction, limits on population growth, differential reproductive success d. speciation, crossing over, large populations, survival of the fittest e. get up early, eat a healthy breakfast, nap after lunch, go to bed early 5. What is the function of the Penicillin that is secreted by some fungi? a. stop small animals from getting at the food supply b. protect small animals in the area c. prevent fungus from getting infections d. prevents other fungi from getting at the food supply e. stop bacteria from competing with the fungus for food 6. The lives of more than 100,000,000 people are threatened by an angiosperm that a. attaches to the stems and leaves of host plants b. produces white berries that birds eat c. has tiny seeds that are stimulated to germinate when the roots of the host plants are near d. does not have any roots, stems or leaves e. occurs only in cool, northern areas of Europe and North America 7. How do non-protein amino acids (amino acid analogs) function in defense? a. result in production of non-functional proteins in the insect b. prevent any protein synthesis from occurring in the herbivore c. make loud noises to scare herbivores away d. generate heat that burns the insects’ feet e. taste bitter 8. A lichen is called a “dual” organism because it a. produces only one leaf and one stem b. is composed of two kinds of fungi c. is composed of a fungus and a photoautotroph (an alga or cyanobacterium) d. is half plant and half animal e. can function as a male OR a female 9. The difference between “bleached” and “unbleached” coral is that the bleached coral lacks a. zooxanthellae b. symbiotic diatoms c. live ciguatera d. well-connected relatives in high office e. witches brooms 10. Which of the items listed below is/are example(s) of physical defense against herbivores a. the production of resin by pine trees b. release of cyanide by roses c. production of thorns by roses d. a and c e. a, b and c 11. How do dodder and true mistletoe get nutrients from the host plant? How do dodder and true mistletoe get nutrients from the host plant?...
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- Fall '06
- Biology, Dinoflagellates, b. dwarf mistletoe, true mistletoe