Counts toward

Biology, Ecology Minor (2026-27) - At Least Nine Units of the Following Electives
Biology, Ecology Minor (2025-26) - At Least Nine Units of the Following Electives
Biology, Ecology Minor (2024-25) - At Least Nine Units of the Following Electives
Biology, Emphasis in Evolutionary Biology, B.S. (2026-27) - Upper Division Major Electives

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Biology, Emphasis in Evolutionary Biology, B.S. (2025-26) - Electives
Biology, Emphasis in Evolutionary Biology, B.S. in Applied Arts and Sciences (2024-25) - Electives
Biology, Emphasis in Zoology, B.S. (2026-27) - Upper Division Major Electives
Biology, Emphasis in Zoology, B.S. (2025-26) - Electives
Biology, Emphasis in Zoology, B.S. in Applied Arts and Sciences (2024-25) - Electives
Biology, Evolutionary Biology Minor (2026-27) - At Least Nine Units of the Following Electives
Biology, Evolutionary Biology Minor (2025-26) - At Least Nine Units of the Following Electives
Biology, Evolutionary Biology Minor (2024-25) - At Least Nine Units of the Following Electives

Two lectures and three hours of laboratory. Evolution, systematics, distribution, and ecology of amphibians and reptiles of the world.

Prerequisites

BIOL 203, BIOL 203L, BIOL 204, BIOL 204L. Recommended: BIOL 352.

From the catalog

Grading: LCR: Letter Grade with Cr/NC available. The grading default for the class will be letter grade, but students can opt to take it for Cr/NC
Repeatable: Maximum 3 units.
Typically offered: Spring
Catalog notes: Writing Requirement for Undergraduates: Completion of the Graduation Writing Assessment Requirement or the eligibility to enroll in an upper division writing course is a prerequisite for all upper division biology courses numbered 450 and above.

BIOL 523 is not offered in Spring 2027. Check all BIOL classes for other terms.