Quiz name: Oceanography: Marine Biology #2 - Ocean Zones and Marine Classification

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1 Name: Quiz name: Oceanography: Marine iology #2 - Ocean Zones and Marine lassification ate: 1. The marine environment can be divided into regions by the amount of light it receives. The two division based upon light are called... photic and aphotic light and nonlight photosynthetic and aphotosynthetic epiphotic and hydophotic 2. Upper part of photic zone, lots of light for plant photosynthesis. Endophotic Zone Euphotic Zone Ectophotic Zone 3. Lower part of photic zone, animals can see but there is insufficient light for photosynthesis. Hypophotic Zone Haydalphotic Zone isphotic Zone 4. The deepest & largest region of the open ocean where there is no light. photic Zone No Photic Zone Unphotic Zone 5. What is the name of the zone that is described as being "open water"? Pelagic Surface byssal 6. These are the waters over the continental shelf. Neretic enthic Hadal 7. These are the waters that are described as being "deep waters that are off of the continental shelf." enthic Neritic Oceanic Page 1 of 5

2 Sublittoral 8. Study the image to the left. "" and "" are the two division of the Pelagic Environment. What is ""? Neritic Oceanic byssalbenthic 9. Study the image to the left. "" and "" are the two division of the Pelagic Environment. What is ""? Neritic Oceanic enthic 10. Study the image to the left. "" and "" are the two division of the Pelagic Environment. elow "" are the four major vertical divisions of the oceanic environment. What is ""? Epipelagic Endopelagic Mesopelagic byssalpelagic 11. Study the image to the left. "" and "" are the two division of the Pelagic Environment. elow "" are the four major vertical divisions of the oceanic environment. What is "E"? Mesopelagic athypelagic byssopelagic Hadalpelagic 12. SELET LL of the waters that have some type of light penetration. Neretic Epipelagic Mesopelagic athypelagic E byssopelagic 13. The two major divisions of the enthic environment are... and sublittoral enthic and subbenthic Subneretic and Suboceanic Page 2 of 5

3 14. The subneritic environment can be further broken down into the... littoral and sublittoral epipelagic and mesopelagic athypelagic and byssopelagic 15. enthic environment where the coast is covered & uncovered by tidal action (intertidal zone). supralittoral sublittoral littoral 16. enthic division that is past the lowest low tide, to the edge of the continental shelf; always under water. Sublittoral Zone Suboceanic Zone Subterranean Zone Submarine Zone 17. enthic region (bottom) that covers the areas on the continental slopes down to great depths. athyl byssal ontinental 18. enthic region that includes the dark, lower regions, including the deepest sea floor but not the trenches. "the Wall" byssal Hadal 19. enthic division that is deepest of all the sea floor, trench walls & bottom of trenches. byssobenthic byssal Hadal Zone hallenger Zone 20. quatic organisms w/ limited or no swimming ability. Transported by currents & tides. Plankton Nekton enthos 21. quatic organisms that can swim through the water against the currents. Most are vertebrates. Plankton Nekton enthos 22. quatic organisms that dwell on the bottom of the ocean or are permanently attached to something. Page 3 of 5

4 Plankton Nekton enthos 23. What percentage of marine organisms are benthic? 25% 63% 81% 98% 24. Microscopic, planktonic plants & bacteria. Fix carbon through photosynthesis, making it available for higher trophic levels. holoplankton benthoplankton cyanoplankton phytoplankton 25. Study the image to the left. What term would best describe these organisms? phytoplankton zooplankton meroplankton dontknowplankton 26. What term best describes Microscopic animal plankton. phytoplankton zooplankton zoospora sporozoa 27. Zooplankton are heterotrophic. True False 28. Holoplankton spend only part of their lives as plankton. True False 29. Meroplankton spend part of their life as plankton and part of their life as a sessile adult. True False 30. Macroplankton are larger planktonic forms. True False Page 4 of 5

5 31. dult squid would be considered nekton. True False 32. Marine Mammals would be considered to be nekton. True False 33. dult clams would be considered to be planktonic. True False 34. Epifaunal benthos live on surface of plants. True False 35. Infaunal benthos live buried in sediments. True False 36. Nektobenthos swim or crawl through water above seafloor True False Page 5 of 5

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