26 Jun Graded Assignment Name: SCI203B: Biology | Unit 5
Question
Graded Assignment
Name:
SCI203B: Biology | Unit 5 | Lesson 12: Laboratory: Patterns of Succession
Date:
Graded Assignment
Lab Report
The photographs in the Lab Report are the same photos you viewed in the on-screen slide show. They were
taken after Mount Saint Helens erupted in Washington State in 1980. For the Lab Report, you will compare and
contrast the photos, and make observations of the biotic and abiotic factors present in each. If you wish, you may
go back to the on-screen slide show to view the photos while you keep the Lab Report open and answer the
questions.
Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for
full credit.
(5 points)
1.
This photograph was taken at a location on Mount Saint Helens called Meta Lake. The
area was clear-cut before the volcano erupted in 1980, meaning that all trees were cut down
and used for timber or other products. The photograph was taken in 1983, 3 years after the
volcano erupted. Describe the biotic and abiotic factors you see in the photograph.
Score
Answer:
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Page 1 of 3
Graded Assignment
SCI203B: 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. Compare
this photo with the 1983 photo. What has changed? What looks different? How do you think
those changes might have come about?
Score
Answer:
(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 the
biotic and abiotic factors?
Score
Answer:
© 2007 K12 Inc. All rights reserved.
Copying or distributing without K12’s written consent is prohibited.
Page 2 of 3
Graded Assignment
SCI203B: 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 the
biotic and abiotic factors? Does anything surprise you about this series of photographs?
Score
Answer:
Your Score
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Copying or distributing without K12’s written consent is prohibited.
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