课程名称︰海洋生命科学 课程性质︰生科系必选修 课程教师︰萧仁杰 开课学院：生命科学院 开课系所︰生科系 考试日期（年月日）︰106.06.19 考试时限（分钟）：120分钟 试题 : 一、单选题，每题2分(Questions of multiple choices, 2 points each) 1.Foraminiferans and radiolarians feed by A) Using cilia to capture particles. B) Using flagella to grab prey. C) Using a network to pseudopodia to trap food. D) Stabbing their prey on spines. 2.Brown algae are dominant primary producers in which area? A) Tropical coasts B) Coral reefs C) Mud flats D) Temerate rocky coasts 3.Sponges do not have which feature? A) Specialized cells B) Gametes C) Supporting stuctures D) Organs 4.Which vertebrate feature is not found in ascidians and cephalochordates? A) Skull B) Gill or pharyngeal slits C) Dorsal nerve cord D) Tail 5.The largest sharks and rays feed on which of these? A) Fish B) Seals C) Mollusks D) Plankton 6.Marine tetrapod vertebrates do not have A) Shelled eggs. B) Feathers. C) Flippers. D) Gills. 7.Some of the highest primary production in pelagic environment occurs in A) Coral reefs. B) The Southern Ocean. C) Coastal upwelling areas. D) Centralocean gyres. 8.The shelf break occurs at which depth? A) The lowest tide mark B) About 40m C) 150m D) 1000m 9.When seawater is too warm, corals may undergo A) Fragmentation. B) Bleaching. C) Extrusion of mesenterial filaments. D) Mucus production. 10.Salps and larvaceans A) Are chordates, like the tunicates. B) Are gelatinous medusae. C) Start life as bottom-dwelling larvae. D) Use tentacles to catch prey. 二、名词解释，每题2分(Briefly explaining the meaning of the terms,2pts each) 1.Mid-ocean ridge 2.Thermocline 3.Protozoans 4.Alternation of generations 5.Cnidarians 6.Mollusca 7.Hagfish 8.Sea otters 9.Shellfish 10.Eutrophication 三、简答题，每题10分(Answer the qeustions as many as you know, 10pts each) 1.Please give 2 examples of marine symbiotic bacteria.What kind of organism do they live in and what are their primary functions in that organism? (举出两种海洋共生菌，及提供给其宿主的主要功能) 2.Point out the different features, habitats and common function of "kelp" and "sea grass". (请指出海藻与海草的结构与栖地差异，以及相同功能) 3.What is El Nino-Southern Oscillation(ENSO) and how does ENSO affect the climate? (何谓圣婴与南方震荡，以及对气候的影响?) 4.Write down at least 2 marine areas(or ecosystems) with high primary productivity and explain why? (请指出最少2处高初级生产力的洋区或生态系统 ，并解释成因) 5.How do the fish adapt to deep sea environments? (鱼类如何适应深海环境?) 6.Please explain the hypothesis of "iron ferilization" (请解释铁限制假说) --

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