APES Lecture Guide



APES Lecture Guide

Chapter 5

Part #1

1. List the 4 major components (also called reservoirs) of Earth’s systems.

2. Using the diagram below, explain the generalized cycling of a chemical in an ecosystem.

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3. Use the box and arrow diagram below to explain the basic parts of a biochemical cycle. Read “a biogeochemical cycle” on pg. 81 in your text.

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4. Describe the difference between macronutrients and micronutrients. List the “big 6” elements.

5. What is a limiting factor? What are the 2 subcategories of limiting factors? What is the main difference between these 2 subcategories?

6. List AND DESCRIBE the group of cycles responsible for the formation and changes of Earth’s materials.

7. What is the tectonic cycle? Explain the study of plate tectonics.

8. Describe the three types of plate boundaries.

9. Label each picture below with the proper type of plate boundary.

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10. Use the diagram below to label the types of plate boundaries found on Earth.

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11. Explain what type of natural disaster could occur at the Aleutian Trench, a convergent boundary. How might this affect life in the costal N. United States.

Part #2

1. Describe the hydrologic cycle and list the 4 main parts.

2. What does the rock cycle depend on?

3. What are the 3 main types of rocks?

4. Use the diagram below to explain the processes.

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5. What is the main difference between the calcium cycle and the sulfur cycle?

6. Describe the carbon cycle. Why, chemically speaking, is carbon so important?

7. Write the equation for photosynthesis and explain the various sources of carbon dioxide (use the diagram on pg. 92 if necessary).

8. Use the diagram below to explain “the missing carbon sink”. Why do you think it is so difficult for scientists to agree on this issue?

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9. Explain the carbon silicate cycle in terms of negative feedback.

10. Use pg. 95 to diagram the N cycle in the space below. Explain the terms, “nitrogen fixation” and “denitrification”.

11. Explain why the phosphorous cycle is so important for plant life.

Reference

Botkin & Keller. (2008). Environmental Science 6th ed, Earth as a Living Planet. Hoboken, NJ, John Wiley and Sons.

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