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Bachelor of Science in Biology - Option in Organismal Biology (120 units)

This option is designed primarily for those interested in careers that involve the biology of animals, plants and the study of organisms in relation to their environment. It is particularly appropriate for those seeking employment in private industry or government service as well as those students contemplating graduate work in these fields. This option requires approximately 78-85 units in the major, of which 42-49 units are in lower division and 36 are in upper division.

All students must achieve at least a 2.0 grade-point average in each of the following: 1. the entire college record, 2. all units attempted at CSULB, and 3. all courses in the major.

Degree Progress

Pre-Biology majors must complete the following requirements within the specified time of declaring the pre-major. Some students may need to take courses during Summer Session to meet these requirements. Students who have not met the requirements by the required semester must either declare another major or meet with an Academic Advisor to determine if the student's performance in the courses merits an additional semester to complete.

Freshmen: A grade "C" or better must be achieved in CHEM 111A, BIOL 211, and MATH 119A (or 122) within one and a half calendar years.

Requirements

Lower Division:

Take all of the following courses:

  • BIOL 211 Introduction to Evolution and Diversity (4)
    Prerequisite/Corequisite: CHEM 111A with a grade of "C" or better.
  • BIOL 212 Intro to Cell and Molecular Biology (4)
    Prerequisites: Completion of BIOL 211 and CHEM 111A with grades of "C" or better.
    Prerequisite/Corequisite: CHEM 111B.
  • BIOL 213 Intro to Ecology and Physiology (4)
    Prerequisites: BIOL 211, BIOL 212, CHEM 111B all with a grade of "C" or better.

NOTE: BIOL 111, BIOL 111L, BIOL 212, BIOL 212L, BIOL 213, BIOL 213L are required if courses were taken prior to catalog year 2010-11.

  • BIOL 260 Biostatistics (3)
    Prerequisites: BIOL 211 or BIOL 207 or MICR 200; MATH 111 or MATH 113 or MATH 119A or MATH 122 all with a grade of "C" or better.
  • CHEM 111A General Chemistry (5)
    Prerequisites: A passing score on the Chemistry Placement Examination. 
    Corequisite:  MATH 109 or higher.
  • CHEM 111B General Chemistry (5)
    Prerequisites: CHEM 111A and MATH 113 or MATH 115 or MATH 119A or MATH 122 all with a grade of "C" or better.

Take one of the following courses:

  • MATH 119A Survey of Calculus I (3)
    Prerequisite: Appropriate MDPT placement or a grade of "C" or better in MATH 113.
  • MATH 122 Calculus I (4)
    Prerequisite: Appropriate MDPT placement or a grade of "C" or better in MATH 111 and MATH 113.

Take one of the following courses:

  • MATH 119B Survey of Calculus II (3)
    Prerequisite: A grade of "C" or better in MATH 119A or MATH 122.
  • MATH 123 Calculus II (4)
    Prerequisite: A grade of "C" or better in MATH 122.

Take one of the following courses:

  • PHYS 100A General Physics (4)
    Prerequisite: MATH 109 or MATH 113 or MATH 119A or MATH 122.
  • PHYS 151 Mechanics and Heat (4)
    Prerequisite/Corequisite: MATH 122.

Take one of the following courses:

  • PHYS 100B General Physics (4)
    Prerequisites: PHYS 100A.
  • PHYS 152 Electricity and Magnetism (4)
    Prerequisite: PHYS 151; Prerequisite/Corequisite: MATH 123.

These courses do not meet any specific or elective requirements for this major: BIOL 100, BIOL 153, BIOL 153L, BIOL 200, BIOL 200L, BIOL 205, BIOL 205L, BIOL 207, BIOL 208; MICR 101 and MICR 200.

Take one of the following course combinations in Organic Chemistry or Biochemistry (Groups A or B):

Group A

  • CHEM 220A Organic Chemistry I (3)
    Prerequisites: CHEM 111B with a grade of "C" or better. Corequisites: CHEM 224 is required for students repeating course. CHEM 223A must be taken concurrently if required by a degree plan.
  • CHEM 220B Organic Chemistry II (3)
    Prerequisite: CHEM 220A with a grade of "C" or better. Corequisite: CHEM 223B or CHEM 320L except for students who previously earned a "C" or better in CHEM 223B or CHEM 320L.
  • CHEM 223A Organic Chemistry Laboratory I (1)
    Corequisite: CHEM 220A, except for students who have previously earned a "C" or better in CHEM 220A.
  • CHEM 223B Organic Chemistry Laboratory II (1)
    Prerequisites: CHEM 220A and CHEM 223A, both with a grade of "C" or better. Corequisite: CHEM 220B, except for students who have previously earned a "C" or better in CHEM 220B.

Group B

  • CHEM 227 Fundamentals of Organic Chemistry (3)
    Prerequisite: CHEM 111A with a grade of "C" or better; CHEM 111B is recommended.
  • CHEM 448 Fundamentals of Biological Chemistry (3)
    Prerequisites: CHEM 220B or CHEM 227 either with a grade of "C" or better.

Few, if any, health-related professional schools (e.g. veterinary medicine) will accept CHEM 227. Some graduate programs with masters or doctorates in biology and/or ecology may also not accept CHEM 227. Students interested in these programs might consider taking CHEM 220A,B and CHEM 223A,B. CHEM 227 is not acceptable as a prerequisite for CHEM 441A. CHEM 227 is acceptable toward the Minor in Chemistry.

Upper Division:

Take a minimum of 36 upper division units to include the following:

Take all of the following courses: (11 units)

  • BIOL 312 Evolutionary Biology (3)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213, BIOL 260 all with a grade of "C" or better.
  • BIOL 350 General Ecology (3)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213, BIOL 260; MATH 119A or MATH 122 all with a grade of "C" or better. Chemistry and physics recommended.
  • BIOL 370 General Genetics (4)
    Prerequisites: BIOL 211, BIOL 212 and either BIOL 260 or CHEM 251 all with a grade of "C" or better.
  • BIOL 480 Seminars (1)
    Prerequisites: Consent of undergraduate [graduate] advisor. Undergraduates must have filed for graduation and be in their last semester. Classified post-baccalaureates must have been admitted to a second baccalaureate or a certificate.

Although BIOL 340 is not required for this option, it is a prerequisite for many 400-level courses and may be used as an elective.

Take at least one of the following courses/course pairs: 3-4 units

  • BIOL 345 Comparative Animal Physiology (3)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213 all with grade of "C" or better, and
  • BIOL 345L Lab in Comp Animal Physiology (1)
    Prerequisite/Corequisite: BIOL 345 with a grade of "C" or better.

Or

  • BIOL 447 Molecular Plant Physiology (3)
    Prerequisites: BIOL 340, BIOL 370, both with grade of "C" or better. (Undergraduates enroll in BIOL 447; graduates enroll in BIOL 547.)

Take at least two of the following courses in organismal diversity, one of which must be BIOL 313, BIOL 316, BIOL 324, BIOL 427, or BIOL 439:

  • BIOL 313 Invertebrate Zoology (4)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213 all with a grade of "C" or better, and consent of instructor.
  • BIOL 316 General Entomology (4)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213 all with grade of "C" or better.
  • BIOL 324 Vertebrate Zoology (4)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213 all with grade of "C" or better.
  • BIOL 419, Ichthyology (3)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213, BIOL 260 and at least 6 additional units of upper division biological science, all with a grade of " C" or better. Recommended: BIOL 350, BIOL 353, and BIOL 370.
  • BIOL 421 Herpetology (3)
    Prerequisites: BIOL 260, BIOL 350, and one additional upper division biology course, all with a grade of "C" or better. Recommended: BIOL 312, BIOL 324, or BIOL 370.
  • BIOL 423 Mammalogy (3)
    Prerequisite: At least one of BIOL 312, BIOL 324, or BIOL 350, with a grade of "C" or better.
  • BIOL 424 Ornithology (3)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213, BIOL 260 and three units of upper division BIOL, all with a grade of "C" or better. Recommended: BIOL 350.
  • BIOL 427 Vascular Plant Systematics (4)
    Prerequisite: BIOL 312 or BIOL 370 with a grade of "C" or better.
  • BIOL 439 Plant Morphology (4)
    Prerequisite: BIOL 312 or BIOL 370 with a grade of "C" or better.

Select a minimum of two courses from the following (any combination of courses from the two groups is acceptable):

Ecology and Evolution Courses

  • BIOL/MICR 355 Microbial Ecology (3)
    Prerequisites: MICR 211 or BIOL 211, BIOL 212, BIOL 213 all with a grade of "C" or better.
  • BIOL 412 Advanced Evolutionary Biology (3)
    Prerequisite: BIOL 312 with a grade of "C" or better. (Undergraduates enroll in BIOL 412; graduates enroll in BIOL 512.)
  • BIOL 450 Plant Ecology (3)
    Prerequisites: BIOL 260, BIOL 350 with a grade of "C" or better. Recommended: BIOL 427, BIOL 447.
  • BIOL 451 Wetlands and Mangrove Ecology (3)
    Prerequisites: BIOL 260, BIOL 350 both with a grade of "C" or better.
  • BIOL 452 Behavioral Ecology (3)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213, BIOL 260 all with a grade of "C" or better. Prerequisite/Corequisite: BIOL 312 or BIOL 350.
  • BIOL 453 Insect Ecology (3)
    Prerequisite: BIOL 350 with a grade of "C" or better.
  • BIOL 454B Research in Tropical Terrestrial Ecology (3)
    Prerequisites: BIOL 350; one of BIOL 316, BIOL 324, BIOL 421, BIOL 424, BIOL 427, or BIOL 439 all with a grade of "C" or better; and consent of instructor.
  • BIOL 456 Population Ecology (3)
    Prerequisites: BIOL 350, MATH 119B or MATH 123 all with a grade of "C" or better.
  • BIOL 457 Field Methods in Ecology (3)
    Prerequisites: BIOL 260, BIOL 350 both all with a grade of "C" or better.
  • BIOL 459 Conservation Biology (3)
    Prerequisites: BIOL 260, BIOL 350 both with a grade of "C" or better. Recommended: BIOL 370.
  • BIOL 472 Molecular Evolution (3)
    Prerequisite: BIOL 370 with a grade of "C" or better. Recommended: BIOL 312.

Physiology Courses

  • BIOL 442 Physiology at the Limit (3)
    Prerequisites: BIOL 342 or BIOL 345 with a grade of "C" or better.
  • BIOL 443 Endocrinology (3)
    Prerequisites: BIOL 340 or CHEM 441B; CHEM 220A or CHEM 227; and one of BIOL 341, BIOL 342, BIOL 345, BIOL 445, BIOL 448; CHEM 441A or CHEM 448, all with a grade of "C" or better.
  • BIOL 444 Reproductive Biology (3)
    Prerequisite: BIOL 342 or BIOL 345 with a grade of "C" or better.
  • BIOL 449 Fish Physio and Endocrinology (3)
    Prerequisite: BIOL 345 with grade of "C" or better.
  • BIOL 464 Aquatic Toxicology (3)
    Prerequisites: BIOL 211, BIOL 212, BIOL 213, BIOL 340; CHEM 220A or CHEM 227, all with a grade of "C" or better. Recommended: BIOL 353 and CHEM 448 or CHEM 441A,B.

Take 2-3 additional upper division courses totaling 6-9 units in the Department of Biological Sciences so that a minimum number of 36 upper division units are completed. At least three of these units must be at the 400 level. Note that many 400 numbered courses require BIOL 340, which can also count as one of these elective courses.

Courses outside of BIOL that can also count toward these units include GEOG 481, CHEM 441A, and CHEM 448.

Courses that will not count towards these units are BIOL 301, BIOL 304, BIOL 305; MICR 300.

To meet prerequisite standards for courses in this program's requirements, a "C" or better is necessary in the following: BIOL 211, BIOL 212, BIOL 213, BIOL 260, BIOL 345, CHEM 111A, CHEM 111B, CHEM 220A, CHEM 223A, MATH 119A, MATH 122.

Students contemplating graduate or professional school should consider taking 1-3 units of BIOL 496 in addition to the requirements listed above. With prior permission of the advisor for this option, students may use 3 units of BIOL 496 as an elective.


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