Important: Write answers on your Scantron sheet, not on this page. Read carefully and do your best.
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1 Biology 13- Exam 1 Multiple choice. Important: Write answers on your Scantron sheet, not on this page. Read carefully and do your best. 1. The area of the ocean floor directly above the continental shelf is called the A) oceanic province B) neritic zone C) benthic zone D) abyssal plains 2. The color of light that penetrates seawater to the greatest depth is A) blue B) red C) green D) orange 3. The average salinity of seawater in the open ocean is A) 30 B) 32 C) 35 D) Positively charged sodium and negatively charged chloride are examples of A) hydrogen bonds B) ions C) molecules D) atoms 5. Organisms that live in the open ocean are referred to as A) neritic B) pelagic C) benthic D) abyssal 6. A tidal pattern that exhibits two equal high tides and two equal low tides every lunar day is called a tide. A) diurnal B) semidiurnal C) mixed semidiurnal D) mixed diurnal Page 1
2 7. In a wave moving over deepwater, there is very little water motion below the depth of a wavelength. A) 1/7 B) 1/4 C) 1/2 D) 1/3 8. The Coriolis effect can influence which of the following? A) tides B) winds C) currents D) all of the above 9. Fetch is A) a measure of wave height from trough to crest B) the distance over water that the wind blows in a single direction C) the area of the ocean above the continental shelf D) the area of buildup where the wave crests of two different waves collide 10. Marine organisms that live on the bottom are termed A) benthic B) neritic C) bathyl D) oceanic E) pelagic 11. The source of oxygen in our atmosphere is A) gases spewing from volcanic activity B) the activity of photoautotrophic organisms C) gases leaking from cracks in the sea floor D) both a and b E) both b and c 12. Which of the following influences tides on Earth more than any other factor? A) the sun B) the moon C) the wind D) the varying temperatures of sea water on Earth E) the varying density of sea water on Earth Page 2
3 13. Modern geological theory concerning the movement of continents is termed A) driftology B) plate tectonics C) seismology D) volcanics E) crustal deformation 14. True or false? Since their initial formation, the ocean basins have stayed relatively unchanged. A) True B) False 15. Organisms that can produce their own food are called A) heterotrophs B) autotrophs C) consumers D) decomposers 16. Organisms that are active and powerful swimmers are called A) benthic B) nektonic C) planktonic D) neritic 17. Energy for most marine communities comes ultimately from A) chemosynthesis B) respiration C) the sun D) organic molecules 18. An jellyfish would be considered to be A) planktonic B) nektonic C) benthic D) infaunal 19. The part of the pelagic water column that is too deep to be illuminated by any sunlight is termed the A) photic zone B) bathypelagic zone C) benthic zone D) abyssal zone Page 3
4 20. The world's largest and deepest ocean is the A) Atlantic Ocean. B) Arctic Ocean. C) Indian Ocean. D) Antarctic Ocean. E) Pacific Ocean. 21. The shallow part of the continental margin that is closer to land is known as A) shelf break. B) continental slope. C) continental rise. D) edge of the abyssal plain. E) continental shelf. 22. Hydrogen bonds in water molecules are formed between A) hydrogen atoms of adjacent molecules. B) oxygen atoms of adjacent molecules. C) hydrogen and oxygen atoms of adjacent molecules. D) two hydrogen atoms of the same molecule. E) two oxygen atoms of the same molecule. 23. The distance between two adjacent wave crests is the A) period. B) fetch. C) amplitude. D) wavelength. E) height. 24. Which is not an organic compound? A) Water B) Sugars C) Proteins D) Lipids E) Nucleic acids 25. Which of the following shows the correct level of organization in order of increasing complexity? A) Molecule, cell, organelle, individual, community B) Organelle, tissue, organ, community, population C) Ecosystem, individual, organ, cell D) Molecule, atom, cell, organ system, ecosystem E) Atom, molecule, organ, population, ecosystem Page 4
5 26. Evolution occurs as a result of A) the discovery of a desirable characteristic in a population. B) an individual s physiological modification. C) environmental change that forces modification in a resident species. D) better survival or reproduction rates by individuals with a particular characteristic. E) a population s physiological modification. 27. An interaction between organisms and their environment that produces differential survival and reproduction of their populations is A) natural selection B) evolution C) mass extinction D) punctuated equilibrium 28. Which of the following is not a domain of life? A) Archaea B) Eukarya C) Bacteria D) Animalia 29. Organisms that live on, within, or attached to the seafloor belong to A) the plankton B) the nekton C) the flotsam D) the benthos 30. In the light and dark bottle method, oxygen decreases in the dark bottle due to A) photosynthesis B) diffusion C) chemosynthesis D) respiration 31. Prior to the start of a light-dark experiment, an marine biologist measures the concentration of oxygen in her seawater samples at 6 mg oxygen per liter. At the end of a 12-hour incubation, she finds a concentration of 10 mg/l in the light bottle and 4 mg/l in the dark bottle. What is the rate of gross primary production? A) 2 mg/l per 12 hours B) 4 mg/l per 12 hours C) 6 mg/l per 12 hours D) 8 mg/l per 12 hours Page 5
6 32. The process of cellular respiration A) helps primary producers store energy accumulated by chloroplasts. B) releases energy from chemical bonds of molecules such as glucose. C) eliminates the need for enzymes in metabolism. D) does not occur in primary producers. E) does not occur in decomposers. 33. Put the following taxonomic categories in their proper order from most general to most specific. A) Kingdom, Phylum, Class, Order, Family, Genus, Species B) Phylum, Kingdom, Class, Family, Genus, Order, Species C) Kingdom, Phylum, Class, Family, Order, Genus, Species D) Species, Genus, Family, Order, Class, Phylum, Kingdom E) Species, Genus, Class, Order, Family, Phylum, Kingdom 34. A conceptual model that depicts the feeding relationships among organisms is called A) a food pyramid B) a food web C) an ecosystem D) a food map 35. Which of the following currents are found on the western edge of an ocean basin? A) California current B) The Gulf Stream C) Kuroshio current D) A and B E) B and C 36. How may hours did you study for this exam (be honest)? A) 0-2 hours B) 2-4 hours C) 4-8 hours D) 8-12 hours E) more than 12 hours 37. So far, regarding the Clickers in class: A) They are a waste of money and time. B) Are fun, but I m not sure if it is helping me learn anything. C) I like them OK, and think I am getting something out of it. D) I like them a lot, and wished we used them more in class. Page 6
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