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BIO 1321

ECOLOGY, EVOLUTION AND SOCIETY

Texas State University · Fall 2026

28 sections11 open now
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Sections

Current meeting, instructor, credit, and enrollment details

Updated 4 hours ago

001

19 openSeats: 206/225 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13658Fall 20263 credits
19 available206 enrolled225 capacity0/0 waitlist
Days & times
TuTh 09:30-10:50
Meeting dates
Aug 19 – Dec 10
Location
Academic Services Building Sou 00300
Instructor
Vargas, Micaela

Section notes

San Marcos Campus; Lecture; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

002

49 openSeats: 176/225 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13659Fall 20263 credits
49 available176 enrolled225 capacity0/0 waitlist
Days & times
TuTh 11:00-12:20
Meeting dates
Aug 19 – Dec 10
Location
Academic Services Building Sou 00300
Instructor
Arbetan, Paul

Section notes

San Marcos Campus; Lecture; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L01

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13660Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Tu 08:00-09:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L02

1 openSeats: 17/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13661Fall 20260 credits
1 available17 enrolled18 capacity0/0 waitlist
Days & times
Tu 09:30-10:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L03

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13662Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Tu 11:00-12:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L05

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13663Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Tu 12:30-13:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L06

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13664Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Tu 12:30-13:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00265
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L07

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13665Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Tu 14:00-15:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L08

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13666Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Tu 15:30-16:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L09

9 openSeats: 9/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13667Fall 20260 credits
9 available9 enrolled18 capacity0/0 waitlist
Days & times
Tu 17:00-18:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L12

6 openSeats: 12/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13669Fall 20260 credits
6 available12 enrolled18 capacity0/0 waitlist
Days & times
W 09:00-10:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00265
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L11

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13670Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
W 09:00-10:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L14

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13671Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
W 11:00-12:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00265
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L17

2 openSeats: 16/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13672Fall 20260 credits
2 available16 enrolled18 capacity0/0 waitlist
Days & times
W 14:00-15:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L18

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13673Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
W 14:00-15:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00265
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L16

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13674Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
W 12:30-13:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00265
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L13

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13675Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
W 11:00-12:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L19

13 openSeats: 5/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13676Fall 20260 credits
13 available5 enrolled18 capacity0/0 waitlist
Days & times
W 15:30-16:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L20

14 openSeats: 4/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #13905Fall 20260 credits
14 available4 enrolled18 capacity0/0 waitlist
Days & times
W 15:30-16:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00265
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L04

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #14377Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Tu 11:00-12:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00265
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L15

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #14380Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
W 12:30-13:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L23

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #14381Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Th 12:30-13:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L24

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #14463Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Th 14:00-15:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L25

FullSeats: 18/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #14468Fall 20260 credits
0 available18 enrolled18 capacity0/0 waitlist
Days & times
Th 15:30-16:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L22

7 openSeats: 11/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #14829Fall 20260 credits
7 available11 enrolled18 capacity0/0 waitlist
Days & times
Th 11:00-12:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L27

4 openSeats: 14/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #15102Fall 20260 credits
4 available14 enrolled18 capacity0/0 waitlist
Days & times
F 11:00-12:20
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

L26

12 openSeats: 6/18 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #15103Fall 20260 credits
12 available6 enrolled18 capacity0/0 waitlist
Days & times
F 09:30-10:50
Meeting dates
Aug 19 – Dec 10
Location
Jerome & Catherine Supple Scie 00261
Instructor
Lemke, David

Section notes

San Marcos Campus; Laboratory; Face to Face

Details checked 4 hours agoSeats checked 4 hours ago

A01

FullSeats: 45/45 seats Last recorded: Jul 30, 2026, 1:13 PM
Class #22147Fall 20263 credits
0 available45 enrolled45 capacity0/0 waitlist
Days & times
No scheduled meeting time
Meeting dates
Oct 8 – Dec 10
Location
Arranged ARR
Instructor
Vargas, Micaela

Section notes

Accelerated Online Program; Lecture; Fully Distance Education

Details checked 4 hours agoSeats checked 4 hours ago
Class numbers and section codes come from the registrar.
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