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MATCHING - In the space provided, write the letter of the term or phrase that best matches the description.
______ 1. marine ecosystem______ 2. bottom-dwelling organisms______ 3. factor that determines where aquatic organisms live______ 4. free-swimming organisms______ 5. freshwater ecosystem a. temperatureb. coral reefc. pondd. benthose. nekton MULTIPLE CHOICE - In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.
______ 6. Swamps are commonly found ona. rocky hillsides.b. flat, poorly drained land.c. mountain peaks.d. bottoms of ponds or lakes.
______ 7. The type of plankton that produces most of the food in an aquatic ecosystem is calleda. nekton. c. phytoplankton.b. benthos. d. zooplankton.
______ 8. In which aquatic zone would you be likely to find cattails and reeds?a. littoral c. benthicb. eutrophic d. none of the above
______ 9. What are the two main types of freshwater wetlands?a. lakes and pondsb. rivers and streamsc. littoral zones and benthic zonesd. marshes and swamps
______10. Which ecosystem has the highest level of salinity?a. salt marshb. brackish marshc. riverd. pond
______ 1. marine ecosystem______ 2. bottom-dwelling organisms______ 3. factor that determines where aquatic organisms live______ 4. free-swimming organisms______ 5. freshwater ecosystem a. temperatureb. coral reefc. pondd. benthose. nekton MULTIPLE CHOICE - In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.
______ 6. Swamps are commonly found ona. rocky hillsides.b. flat, poorly drained land.c. mountain peaks.d. bottoms of ponds or lakes.
______ 7. The type of plankton that produces most of the food in an aquatic ecosystem is calleda. nekton. c. phytoplankton.b. benthos. d. zooplankton.
______ 8. In which aquatic zone would you be likely to find cattails and reeds?a. littoral c. benthicb. eutrophic d. none of the above
______ 9. What are the two main types of freshwater wetlands?a. lakes and pondsb. rivers and streamsc. littoral zones and benthic zonesd. marshes and swamps
______10. Which ecosystem has the highest level of salinity?a. salt marshb. brackish marshc. riverd. pond
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