MARINEBIOEXIIVERC

MARINEBIOEXIIVERC - Marine Biology NAME C Fall 2009 Exam II...

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Marine Biology NAME_____________________ C Fall 2009- Exam II Please put your last and first name on both this exam and on your scantron. In the upper right hand corner of your scantron put a large C to indicate you took version C of the exam. Test No. is Exam II 1. What are primary producers? a. Photosynthetic organisms which produce energy from sunlight, water and carbon dioxide b. Organisms that eat preformed organic matter c. Organisms at the top of the food web d. a and c e. All of the above 2. What is an example of detritus? a. Krill b. Mangroves growing out of the water c. Mangrove leaves that have fallen into the water d. Live seagrass plants e. All of the above 3. Which of the following is a characteristic of mangrove trees? a. Roots above the water level to pump in air b. Constantly drop leaves into water, which are broken down by microbes creating an anoxic environment around the tree base c. Seeds germinate while on the plant d. All of the above e. None of the above 4. Which of the following is true of seagrass? a. Provides important nursery habitat b. Plants have flowers c. Are important primary producers in coastal and estuarine waters d. All of the above e. None of the above 5. What is threatening seagrass beds? a. Increased erosion from land clearing b. Increased nutrients from sewage and aquaculture c. Anchor and propeller damage from boats d. All of the above e. None of the above 1
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Use the diagram below to answer questions 6-9: 6. What is the name of structure 1? a. Leaf b. Blade c. Pneumatocyst d. Flower e. Root 7. What is the name of structure 2? a. Bubble b. Flower c. Thallus d. Pneumatocyst e. Blade 8. What is the name of structure 3? a. Stipe b. Stem c. Thallus d. Stamen e. Flower 9. What is the name of structure 4? a. Root b. Branch c. Holdfast d. Thallus e. None of the above 10. Which trophic level contains organisms that are herbivores? a. Zero trophic level b. First trophic level c. Second trophic level d. Third trophic level e. None of the above 2
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11. What are the three main types of macroalgae? a. Green, Brown and Red Algae b. Macrocystis, Green andTunicate Algae c. Green, Kelp and Spartina Algae d. Seaweed, Kelp and Red Algae e. None of the above 12. Which of the following is true about algae? a. Brown algae is more advanced than green b. It is thought that land plants evolved from green algae c. Algae can only live in warm, tropical water d. a and b e. all of the above 13. The health of kelp populations off the California coast is declining. Which of the following is helping to restore kelp populations? a. Sea urchins b. El Nino conditions c. Sea otters d. Killer whales e. All of the above 14. What type of algae is nori made from? a.
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MARINEBIOEXIIVERC - Marine Biology NAME C Fall 2009 Exam II...

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