AQUATIC ECOSYSTEMS & BIOMES

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1 AQUATIC ECOSYSTEMS & BIOMES A) Name three general types of aquatic ecosystems and describe the salinity for each. Give an example for each. 1) 2) 3) B) MATCHING In the space provided, write the letter of the term or phrase that best matches the description. 1. wetland dominated by non woody plants 2. precipitation that can carry pollutants into aquatic ecosystems 3. amount of dissolved salts in water 4. wetland dominated by woody plants 5. area where fresh water mixes with salt water 6. located near the bottom of a pond or lake 7. organisms that break down dead organisms 8. leads to an increase in nutrients in an aquatic ecosystem 9..aquatic zone found near the shore a. swamp b. profundal zone c. decomposers d. littoral zone e. salinity f. runoff g. marsh h. estuary i. benthic C) MULTIPLE CHOICE 10. Estuaries are productive ecosystems because they constantly receive nutrients from a. rivers and oceans. c. lakes and ponds. b. coral reefs. d. photosynthesis 11. Which of the following is a factor that influences where an organism lives in an aquatic ecosystem? a. sunlight c. temperature b. nutrient availability d. all of the above 12. In which of the following aquatic ecosystems are both littoral and benthic zones likely? a. open ocean c. lake b. coral reef d. none of the above 13. Estuaries a. are always saltwater ecosystems. b. are always freshwater ecosystems. c. are ecosystems where both fresh water and salt water are present. d. prevent the development of salt marshes. 1 P a g e

2 14. Name 7 Rivers that flow into the Chesapeake Bay 15) Which river in PA flows into the Chesapeake Bay? Section: Marine Ecosystems D) Name the oceans E) Label location of oceans and continents F) Directions: Label the parts of the ocean using the following terms: 1) Abyssal plain 2) Continental slope 3) Oceanic zone 4) Continental shelf 5) Abyssal zone 6) Benthic zone 7) Pelagic zone 8) Aphotic zone 9) Intertidal zone 10) Photic zone 11) Euphotic zone 12) Neritic zone 2 P a g e

3 G) Describe the following ocean zones 1) Intertidal zone 2) Neritic zone 3) Oceanic zone H) Read the passage below and answer the questions that follow. Estuaries support many marine organisms because estuaries receive plenty of light for photosynthesis and plenty of nutrients for plants and animals. Rivers supply nutrients that have been washed from the land, and because the water is shallow, sunlight can reach all the way to the bottom of the estuary. The light and nutrients support large populations of rooted plants as well as plankton. The plankton in turn provides food for larger animals, such as fish. Dolphins, manatees, seals, and other mammals often feed on fish and plants in estuaries. Oysters, barnacles, and clams live anchored to marsh grass or rocks and feed by filtering plank ton out of the water. Organisms that live in estuaries are able to tolerate variations in salinity because the salt content of the water varies as fresh water and salt water mix when tides go in and out. Estuaries provide protected harbors, access to the ocean, and connection to a river. As a result, many of the world s major ports are built on estuaries. Of the 10 largest urban areas in the world, 6 were built on estuaries. These 6 cities are Tokyo, New York Shanghai, Buenos Aires, Rio de Janeiro, and Bombay. IDENTIFYING MAIN IDEAS One reading skill is the ability to identify the main idea of a passage. The main idea is the main focus or key idea. Frequently, a main idea is accompanied by supporting information that offers detailed facts about main ideas. Read each question and write the answer in the space provided. 1. What types of organisms do estuaries support? 2. How do oysters, barnacles, and clams feed? 3. What do dolphins, seals, and other mammals eat? 4. What two ingredients make estuaries suitable for plants and animals? 5. How many of the world s 10 largest urban areas are built on estuaries? List them. 3 P a g e

4 I) Compare and Contrast: Using a double bubble diagram compare and contrast the following terms. Use additional paper as needed: 1. River and Lake 2. Oligotrophic and Eutrophic 3. Marshes and Swamps 4. Photic zone and aphotic zone 5. Intertidal zone and Benthic Zone 4 P a g e

5 Part II: Terrestrial Ecosystems A) Describe biomes 1) What is a biome? 2) Name 6 different terrestrial biomes. B) Create a chart for the terrestrial biomes. Research the following characteristics of biomes and create a chart to display the following. Be sure to record your resources. 1) Name of biome 2) Location(s) 3) Examples of biotic factors (at least 3 animals and 3 plants) 4) Weather and climate 5) Type or condition of soil Project: Choose one of the terrestrial biome or aquatic ecosystem to create a PowerPoint about. Include in your project the following criteria. A) Description of the ecosystem or biome (10 pts) B) Location of the biome globally and a picture of the location (10 pts) C) At least 3 types of animals in the ecosystem with pictures (10 pts) D) At least 3 types of plants in the ecosystem with pictures (10 pts) E) Description of the temperature, climate, and/or weather (10 pts) F) Description of unique features of the ecosystem that sets it apart from others (10 pts) G) A food web or food chain specific to the ecosystem (10 pts) H) Invasive species in the area or from the area (5 pts) I) Description of the importance of this ecosystem or biome to the biosphere and/or environment (10 pts) J) A Bibliography with at least 3 or more references (5 pts) K) Oral Presentation to class (10 pts) The project is due next class and is worth 100 points. 5 P a g e

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