Chapter 4 (Pages 52-71) Matter and Energy in the Ecosystem

 Chapter 4 (pages 52-71) Matter and Energy in the Ecosystem 1. READ chapter 4 (pgs 52-71) in the text book. 2. Define the Vocabulary:Chapter 4 Vocabulary1. BiologicalMagnification:__________________2. Biomass:__________________3. Consumer:__________________4. Decomposer:__________________5. EcologicalPyramid:__________________6. Evaporation:__________________7. FoodChain:__________________8. FoodWeb:__________________9. Legume:__________________10. Producer:__________________11. Transpiration:__________________12. TrophicLevel:__________________ 4.1 Roles of Living Things  All ______ In ecosystem______: ______ Energy ______ Organisms ______: ______ Producers  Producers: ______ Produce ______ Examples: ______ Consumers  Consumers: ______ Must ______ Examples: ______ 4 ways consumers gather food: 1.______ 2. ______ 3.______ 4.Scavengers ______ Herbivores: ______ Examples: ______ Carnivores: ______ Examples: ______ Omnivores: ______ Examples: ______ Scavengers: ______ Examples: ______ Decomposers  Decomposers: ______ Trophic Levels  Trophic Level: ______ ______ ______ Producers ______ ______ Consumers ______ Check for Understanding: 1. List the different groups of organisms in an ecosystem, and explain how each type gathers food. ______2. How do autotrophs and heterotrophs differ?______3. In most ecosystems, the first trophic level contains more organisms than the second trophic level. Can you suggest a reason that explains this pattern? ______ In your journal: -Make a list of 10 organisms (living things) you saw on your way to school today.-Label each one as a producer, consumer, or decomposer.-For Homework – complete review worksheet 4.1.  4.2 Ecosystem Structure  Producers ______ Changes ______ Food Chain: ______ ______ Food Web: ______ ______ ______ Biological Magnification  Humans ______ This is ______ ______ ______ Biological Magnification: ______ Check for Understanding: 1. What are food chains and food webs and how are they related?______2. Explain the process of biological magnification.______-Homework – complete review worksheet 4.2 Class Activity -Food Chain Stackers  Case Study -Read “DDT in an Aquatic Food Chain” and answer questions in journal.-Complete vocabulary words 4.3 Energy in the Ecosystem  Energy ____________ Energy ______ No ______ Amount ______ Energy and Food  Producers ______ Energy ______ Biomass: ____________ Much ______ ______ ______ Ecological Pyramids  Ecological Pyramid: ______ ______ ______ ______ Growth ______ Check for Understanding: 1. How much of the energy that appears in one trophic level will appear in the next? ______2. What is an ecological pyramid?______3. Where is energy lost between trophic levels? Where does this energy ultimately go? ______ Class Activity -Ecological Pyramid  Lab Activity  Student Exploration: Food Chain a.)PRIOR KNOWLEDGE to prepare you for the computer lab. b.)HYPOTHESIS about predators and prey c.) PREDICT the changes you will see in the experiment. d.) TEST your hypothesis e.) CONCLUSION answer the 2 questions  4.4 Chemical Cycles  Most important elements: ______ Elements ______ Three important cycles: 1. ______ 2. ______ 3. ______ Water Cycle  Movement ______ Parts of the water cycle: ______ ______ ______ ______ Evaporation: ______ Transpiration: ______ Condensation: ______ Precipitation: ______ Runoff: ____________ Carbon Cycle  Movement ______ Photosynthesis______ ______ ______ Ocean ______ Nitrogen Cycle  Organisms ______ Movement ______ Steps: ______ ______ ______ ______ Check for Understanding: 1. What are the four most common elements in the human body?______2. How do transpiration and evaporation differ?______3. Humans are releasing large amounts of carbon dioxide into the air by burning fossil fuels like coal and oil. What effect might this carbon have on the carbon cycle? ______

Chapter 4 (Pages 52-71) Matter and Energy in the Ecosystem

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