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1 Name Period Plant/Ecosystems Webquest Log on to Username Password Click on My Content Click on the folder Ecosystem Click on A Biome to Call Home 1. Read Intro Define biome- 2.Fill in the following chart BIOME LOCATION CLIMATE(temp and prec) ANIMALS AND PLANTS Savannah Desert Prairie Taiga Chapparal Tropical Rain Forest Deciduous Forest Go back to the My Content Ecosystem folder and select Ocean Ecosystems. Click on the tab at the bottom of the page entitled START HERE. Read this overview. 3. A coral reef ecosystem can be very. 4. List some organisms found in a coral reef ecosystem. 5. What will you be investigating? 6. What are some of the variables you will be changing? 7. Why is it important to only change one variable at a time? Now click the tab entitled BACKGROUND. 8. What is an ecosystem? 9. What is the difference between biotic factors and abiotic factors? 10. List 2 biotic factors in the coral reef ecosystem.

2 11. List 2 abiotic factors. 12. What type of organisms make their own food in the coral reef ecosystem? 13. What type of organisms cannot make their own food, but eat the producers? 14. What type of organism break down dead plants and animals? 15. The transfer of energy in the form of food as one organism eats another is called a. 16. Energy is as it moves through a food web from a producer to a consumer to another consumer. Why? 17. Only about of the energy taken in by an organism is passed along to the next link in the food chain. 18. Algae in the coral reef ecosystem help add to the area. How do they do this? 19. What other producers are present in the coral reef? 20. There are no insects in the reef, but, and are the low-level (primary) consumers. 21. and are examples of top level consumers. Now go back to the main screen. Manipulate one variable at a time. Take notes below as to what happens when each variable is changed. (HINT: You might want to make a chart) Make sure you RESET between each variable change! Water temp Prod/consumer pop Human activity 22. What happened when you increased the algae? 23. What happened when you increased the parrot fish population? 24. What happened when you increased the tiger shark population? 25. What happens when human activity is at high use? Are all populations of reef species decrease? PREAP- Click on the Questions tab at the bottom of the page. Answer the questions on your own paper and staple them to this sheet.

3 Go back to the My Content Ecosystem folder and select Photosynthesis. Read the description. Answer the following questions you will need to click the list on the right side to move to new topics. 26. What is photosynthesis? 27. Organisms that conduct photosynthesis are considered the in their environment. 28. Reactants are the elements or compounds that go into a chemical equation (go before the arrow). What are the two reactants in the process of photosynthesis? 29. Products are the elements or compounds that come out of a chemical reaction. What are the two products in the process of photosynthesis? 30. The chloroplasts in the leaves contain a pigment called. 31. Chlorophyll absorbs energy and then converts it into energy. 32. Chlorophyll absorbs all wave lengths of light except and. That is why leaves appear green. 33. Carbon Dioxide enters plant leaves through the. 34. Transpiration is the evaporation of water from a leaf. Water enters the plant through the and then moves up the plant through the. 35. The movement of water up through the xylem is caused by in the leaves. 36. During photosynthesis light energy is converted to chemical energy or. 37. When eat producers, the chemical energy is transferred to them. 38. Oxygen exits the plant through the. 39. Most oxygen on Earth is produced by found in the oceans. After finishing the questions, take the Quiz at the bottom of the page. Write down your score.

4 Go back to the My Content Ecosystem folder and select Who s for Dinner. Read the Introduction and answer the following questions. 40. In an ecosystem, energy flows from the to producers. 41. Copy the animals names from the food chain onto this food chain 42. What animals in the food web might eat sea birds? Go back to the My Content Ecosystem folder and select What s Eating You. Read the Introduction and answer the following questions. 43. Producers use energy to make food. 44. Consumers get their energy (eat). 45. Decomposers break down material. 46. Food webs show the transfer between producer, consumers and decomposers. 47. Primary consumers eat and can also be called. 48. Look at the red lines. They represent energy that is not going up the energy web to the next animal, but energy that is converted to and given off into the atmosphere. 49. Which animal is a tertiary consumer? 50. List 2 examples of decomposers.

5 Go back to the My Content Ecosystem Folder and select Food Chains and Webs. Listen and answer the following questions. 51. Phytoplankton are only found in freshwater. A) true B) false 52. Which of the following shows a correctly ordered food chain? A) bear, heron, fish, phytoplankton B) nymph, phytoplankton, fish, bear C) phytoplankton, nymph, fish, bear D) phytoplankton, heron, bear, nymph 53. Which of the following living things is an example of an omnivore? A) oak B) bear C) egret D) fungus 54. Which of the following organisms is NOT a decomposer? A) bear B) fungus C) bacterium D) earthworm 55. The total amount of biomass as the trophic levels increase within a food web. A) doubles B) decreases C) stays the same D) is insignificant 56. Which substance has been banned from use as a pesticide since the discovery that it could be transferred through the food web? A) ATP B) RNA C) DNA D) DDT 57. A riparian ecosystem is defined by what type of body of water? A) lake B) pond C) ocean D) river Go back to the My Content Ecosystem folder and select Observations of a Microhabitat. Read and answer the following questions. 58. Define succession. 59. What is a microhabitat? 60. How did the writer s microhabitat look different in the beginning than in the end?

6 Go back to the My Content Ecosystem folder and select Population Puzzle. Read the Introduction, Mission and Briefing Document (a PDF in the upper right hand corner of the Mission page). Follow the instructions in the briefing document to do the Explore research activities. Once you ve done the explore simulation for 40 years then you need to design an experiment. Click on the Plan button and follow the steps. Use the spaces below to write your question and hypothesis. 61. Write a question you can test here. 62. Write your hypothesis predicting what you think will happen concerning your question here Click the Experiment button and then complete your experiment. 63.Conclusion(Was your hypothesis correct or not?) Go back to My Content Ecosystems Folder and select Biologically Speaking: Ecosystems and the Cycles of Nature. Watch the video. Complete the drawings and answer the questions on the next page. Draw a picture of the carbon cycle (You can stop the video while you do this if needed) You may also look on Discovery education for a diagram to copy.

7 Draw a picture of the nitrogen cycle. (You can stop the video while you do this if needed) You may also look on Discovery education for a diagram to copy. 64. The living part of an ecosystem or biome is called a. a. Habitat b. environment c. family d. community 65. Which of the following is an example of an ecosystem? a. a pond b. the Earth c. a drop of water d. all of the above 66. The greenhouse effect is thought to be caused by. a. Nitrogen b. carbon dioxide c. phosphorus d. none of the above 67. Some relationships that take place between populations and communities are. a) competitive relationships b) predator-prey relationships c) symbiotic relationships d) all of the above 68. The element that forms the framework for all organic molecules is. a. Oxygen b) phosphorus c) carbon d) fossil fuels 69. Where can phosphates be found? a) in rocks like limestone b) in the atmosphere c) in oceans and mountain streams d) all of the above

8 70. Organisms capable of photosynthesis are called. a. detritus feeders b) decomposers c) producers d) consumers 71. Ticks, fleas and leeches are common types of. a. Hosts b) detritus feeders c) parasites d) secondary consumers 72. Omnivores are represented by which group of animals? a. humans, seals, cows b. rats, bears, raccoons c. deer, cows, seals d. wolves, snakes, frogs 73. Climate is determined by. a) latitude b) elevation c) nearness to oceans and mountains d) all of the above Write the number of the word next to its correct definition. 1. biome 2. camouflage 3. Community 4. commensalism 5. decomposer 6. habitat 7. Mimicry 8. Niche 9. nitrogen 10. omnivore 74.the total populations of organisms that make up the living portion of an ecosystem or biome 75phenomenon in which an organism imitates the coloring, pattern and/or behavior of another organism in order to fool predators 76.Fungi or bacteria that extract energy from the waste products or dead bodies of other organisms, creating nutrient- rich soils 77.the type of environment where an organism lives and seeks shelter 78.an area of characteristic climate and vegetation 79.a relationship between two organisms where one organism benefits and the other organism is not affected 80.an organism that consumes plants and animals 81.gas that makes up 79% of the Earth s atmosphere and that is necessary to the development of life 82.an organism s method of hiding by means of its color, shape and/or behavior 83.role of a species or organism in its environment, including its behavior and its position in the food chain

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