Solved by a verified expert:Graded AssignmentName:SCI203B: Biology | Unit 5 | Lesson 12: Laboratory: Patterns of SuccessionDate:Graded AssignmentLab ReportThe photographs in the Lab Report are the same photos you viewed in the on-screen slide show. They weretaken after Mount Saint Helens erupted in Washington State in 1980. For the Lab Report, you will compare andcontrast the photos, and make observations of the biotic and abiotic factors present in each. If you wish, you maygo back to the on-screen slide show to view the photos while you keep the Lab Report open and answer thequestions.Answer the questions below. When you are finished, submit this assignment to your teacher by the due date forfull credit.(5 points)1.This photograph was taken at a location on Mount Saint Helens called Meta Lake. Thearea was clear-cut before the volcano erupted in 1980, meaning that all trees were cut downand used for timber or other products. The photograph was taken in 1983, 3 years after thevolcano erupted. Describe the biotic and abiotic factors you see in the photograph.ScoreAnswer:© 2007 K12 Inc. All rights reserved.Copying or distributing without K12’s written consent is prohibited.Page 1 of 3 Graded AssignmentSCI203B: Biology | Unit 5 | Lesson 12: Laboratory: Patterns of Succession(5 points)2.This photograph was taken in 1989, 9 years after Mount Saint Helens erupted. Comparethis photo with the 1983 photo. What has changed? What looks different? How do you thinkthose changes might have come about?ScoreAnswer:(5 points)3.This photograph was taken in 1994, 14 years after Mount Saint Helens erupted.Compare and contrast this photo with the previous two. What changes do you see in thebiotic and abiotic factors?ScoreAnswer:© 2007 K12 Inc. All rights reserved.Copying or distributing without K12’s written consent is prohibited.Page 2 of 3 Graded AssignmentSCI203B: Biology | Unit 5 | Lesson 12: Laboratory: Patterns of Succession(5 points)4.This photograph was taken in 2004, 24 years after Mount Saint Helens erupted.Compare and contrast this photo with the previous three. What changes do you see in thebiotic and abiotic factors? Does anything surprise you about this series of photographs?ScoreAnswer:Your Score© 2007 K12 Inc. All rights reserved.Copying or distributing without K12’s written consent is prohibited.___ of 20Page 3 of 3
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