Review by Lakshmi CHAPTER 41 Which food chain correctly describes the flow of energy in an ecosystem? A. grass-->cow-->human B. caterpillar-->leaf-->human C. cow-->grass-->human D. leaf-->bird-->caterpillar Rabbits eat grass and other Plants to survive, but they do not eat animals. What kind of animal are rabbits? A. decomposers B. carnivores C. producers D. herbivores How do decomposers help other organisms in an ecosystem? A. They are food for consumers. B. Through photosynthesis they can make their own food. C. They return nutrients back to the soil. D. They eat plants. What will happen if the number of mouse decreased in this food chain? What is the difference between food chain and food web? In what order do a hawk, grass, and rabbit form a food chain in a meadow? A. hawk-->grass-->rabbit B. grass-->hawk-->rabbit C. rabbit-->grass-->hawk D. grass-->rabbit-->hawk Which of the following lists only consumers? A. hawks, lizards, chipmunks B. acorns, squirrels, rabbits C. grass, chipmunks, eagles D. mice, squirrels, grass In this food web, is the Bear a secondary consumer Or tertiary consumer? What is the only tertiary consumer in this food web according to the illustration? An energy pyramid is used to show _________. Athe layout of organisms in any order seen fit . Bthe amount of energy in the universe . Cthe amount of energy at each trophic level . Which number on the diagram below shows the location of the secondary consumers? In an energy pyramid, which way does energy transfer? AFrom the top of the pyramid to the bottom . BFrom the bottom of the pyramid to the top . CNone of these . DBoth of these . Look at the following energy pyramid. If the producers have 7000 kcal of energy, how much energy will be available for the Sheephead ? Which level of this food pyramid represents the largest amount of organisms? a) Producers, b) primary consumers, c) secondary consumers, d) 3rd level consumers. If birds eat insects that feed on corn, which pyramid level would birds occupy? How can you reduce acid rain? A. Walk when you can B. Conserve energy C. Choice A and B Which of the following is a greenhouse gas that is released by human activities and speeds up global warming? a) Petroleum b) Natural gas c) Carbon dioxide d) Nuclear power Which of the following human activities does NOT release carbon dioxide into the atmosphere? a) b) c) d) Deforestation Fishing Burning fossil fuels Driving As global warming increases, the intensity of what type of storm That hits coastlines is predicted to increase? a) b) c) d) Tsunami Cyclone Earthquakes tornadoes Rising water temperature is a result of global warming and may eventually result increase in sea levels due to the dissolving of what? a) b) c) d) Mountains Wetlands Riverbeds Glaciers 1.Draw a neat labeled diagram of a terrestrial chain showing all trophic levels 2. Draw a neat labeled diagram of a marine food chain. 3. Draw energy pyramid of prairie ecosystem Which of the following is NOT a negative effect of global warming? a) b) c) d) Larger fish population New infectious diseases Species extinction Loss of coastal areas What would happen if the number of mouse decreased in this food chain? What is the difference between a food chain and a food web? Which country emits most carbon dioxide? a)Japan b)United States c)China d)India LABEL THE VARIOUS TROPHIC LEVELS EFFECTS OF GLOBAL WARMING Can you state the major effects of global warming? Global warming may kill hibernating animals As air pollution continues to be released into the atmosphere, What becomes more depleted, resulting in an increase of Ultraviolet radiation on earth? a) Oceans b) Rainforest c) Ozone layer d) Carbon dioxide DETRITAL FEEDERS CONSUME HERBIVORES PLANTS AND PLANT DEBRIS SECONDARY CONSUMERS AND PRIMARY DEBRIS DEAD ORGANIC MATTER FUNGI AND BACTERIA IN AN ENERGY PYRAMID, THE LOWEST LEVEL HAS Less energy than the top level Less energy than the second level More energy than the top level The same amount of energy as the second level To which group do the following belong to? What would happen to the world without these organisms? Can someone explain carbon cycle? How humans have affected carbon cycle and what are the implications for future Climate? LEGUMINOUS PLANTS How are the roots of these plants useful to farmers? What role do they play in nitrogen cycle? Learn the key processes In water cycle. Acid rain - Cause Which organism is most affected by the application of DDT? Explain What is the impact of DDT on animals, humans?