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Winter 2021

 

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Biology (BI)
77 Klamath, 541-346-4502
College of Arts & Sciences
9 - Low cost (less than $50) for class textbook materials.
a - Labs/Dis begin the first week of class
Course Data
  BI 130   Intro to Ecology >3 4.00 cr.
The concept of an ecosystem; organismal energetics; biogeochemical cycles; succession; population growth; species interactions, species diversity; implications for human ecosystems. Lectures, discussions.
Grading Options: Optional; see degree guide or catalog for degree requirements
Instructor: Policha TE-mail Office:   73 Klamath Hall
Phone:   (541) 346-4502
Section has additional FeesCourse Fees: $25.00 per credit
Course Materials
 
  CRN Avail Max Time Day Location Instructor Notes

Lecture

26871 1 88 -   00 WEB Policha T $9
 
Associated Sections

+ Dis

26872 0 22 -   00 WEB Policha T a
Erskine S

+ Dis

26873 0 22 -   00 WEB Policha T a
Short A

+ Dis

26874 1 22 -   00 WEB Policha T a
Erskine S

+ Dis

26875 0 22 -   00 WEB Policha T a
Short A
Academic Deadlines
Deadline     Last day to:
January 3:   Process a complete drop (100% refund, no W recorded)
January 9:   Drop this course (100% refund, no W recorded; after this date, W's are recorded)
January 9:   Process a complete drop (90% refund, no W recorded; after this date, W's are recorded)
January 10:   Process a complete withdrawal (90% refund, W recorded)
January 10:   Withdraw from this course (100% refund, W recorded)
January 11:   Add this course
January 11:   Last day to change to or from audit
January 17:   Process a complete withdrawal (75% refund, W recorded)
January 17:   Withdraw from this course (75% refund, W recorded)
January 24:   Process a complete withdrawal (50% refund, W recorded)
January 24:   Withdraw from this course (50% refund, W recorded)
January 31:   Process a complete withdrawal (25% refund, W recorded)
January 31:   Withdraw from this course (25% refund, W recorded)
February 21:   Withdraw from this course (0% refund, W recorded)
February 21:   Change grading option for this course
Caution You can't drop your last class using the "Add/Drop" menu in DuckWeb. Go to the “Completely Withdraw from Term/University” link to begin the complete withdrawal process. If you need assistance with a complete drop or a complete withdrawal, please contact the Office of Academic Advising, 101 Oregon Hall, 541-346-3211 (8 a.m. to 5 p.m., Monday through Friday). If you are attempting to completely withdraw after business hours, and have difficulty, please contact the Office of Academic Advising the next business day.

Expanded Course Description
This course is designed to introduce non-major students to the concepts and issues related to the science of ecology. We begin with two lectures on evolution and natural selection because these ideas are central to all fields of biology, particularly ecology. The rest of the course is divided into three general units:

(1) Population ecology: we study different models of population growth and factors that regulate population growth in various organisms, including humans. (2) Community ecology: we study ways in which two or more species interact and apply these ideas to current issues such as invasive species and loss of biodiversity. (3) Ecosystem ecology: we study ecosystem processes such as energy flow and nutrient cycling between various ecosystem components. These are done using a case study such as tall grass prairie ecosystems, fire, and bison grazing.

There are no prerequisites for this class and no background in biology is necessary to perform successfully in the course.

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