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LIFESCI 7B · Lec 1

Genetics, Evolution, and Ecology

Fall 2026Andres-Bray, T.5 units

Seats, time, final and grades

Seats

Open, 19 seats left.

365 of 384 enrolled, lecture and all discussions summed.

Meets

TR 9:30am-10:45am

Lecture only. You also attend a discussion, listed below.

Final

None on the page dibs read

No exam time on the page dibs read. That is not the registrar saying there is no final.

Grades

3.49
predicted, this instructor · 263 grades

263 letter grades, Andres-Bray, T..

Read 61 minutes ago. This is a recent reading, not a live seat count.

Enroll on the registrar (opens in a new tab) Sign in to watch for an opening

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Before you can enroll

Tell dibs what you have already taken and this line will say which of these you have. Your list.

From the registrar limited early, then open

Conflicts between examinations and activities in other courses cannot be accommodated, so avoid conflicts when enrolling. Due to the curriculum of this course, enrollment will be closed by 3:00 p.m. on Friday, October 9, 2026. Late enrollment is rarely granted and requires instructor approval. PTE numbers are NOT available; do not contact the instructor or the Life Sciences Core Office for a PTE number. The department will not facilitate section switches between students; students should enroll in a section only if they can attend all quarter. Seats are held for entering students who enroll through New Student Orientation sessions beginning July 2, 2026. New student restrictions will be lifted on September 15, 2026 at 8 a.m. There will be two MANDATORY midterm examinations on the following Mondays: October 26 and November 16, 2026. Students are required to sign up for a one-hour time slot between 8 a.m. and 8 p.m. during week 3.

The limit stands until 15 September, and lifts then. dibs still counts this class as one you can take, but not yet.

Restrictions read 3 days ago. dibs re-reads these slowly because they rarely change; watch the section and it moves to every 6 hours.

Discussions

You enroll in the discussion, not the lecture, so the seat figure above is the sum across all of them and can read open while every discussion you could actually join is full.

16 discussions, 5 open.

  • Lab 1A

    T 11:00am-12:20pm

    Pellecchia, L.

    Closed.

  • Lab 1B

    T 11:00am-12:20pm

    Ongjoco, A.J.

    Closed.

  • Lab 1C

    T 12:30pm-1:50pm

    Pellecchia, L.

    Closed.

  • Lab 1D

    T 12:30pm-1:50pm

    Ongjoco, A.J.

    Closed.

  • Lab 1E

    T 2:00pm-3:20pm

    Karim, A.H.

    Closed.

  • Lab 1F

    T 2:00pm-3:20pm

    Bastidas, S.E.

    Closed.

  • Lab 1G

    T 3:30pm-4:50pm

    Karim, A.H.

    Closed.

  • Lab 1H

    T 3:30pm-4:50pm

    Bastidas, S.E.

    Open, 4 seats left.

  • Lab 1I

    R 11:00am-12:20pm

    Pellecchia, L.

    Closed.

  • Lab 1J

    R 11:00am-12:20pm

    Ongjoco, A.J.

    Closed.

  • Lab 1K

    R 12:30pm-1:50pm

    Pellecchia, L.

    Open, 2 seats left.

  • Lab 1L

    R 12:30pm-1:50pm

    Ongjoco, A.J.

    Open, 3 seats left.

  • Lab 1M

    R 2:00pm-3:20pm

    Karim, A.H.

    Closed.

  • Lab 1N

    R 2:00pm-3:20pm

    Bastidas, S.E.

    Closed.

  • Lab 1O

    R 3:30pm-4:50pm

    Karim, A.H.

    Open, 4 seats left.

  • Lab 1P

    R 3:30pm-4:50pm

    Bastidas, S.E.

    Open, 6 seats left.

When it meets

Mon
Tue
Wed
Thu
Fri
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm

Meets: TR 9:30am-10:45am

Discussions: T 3:30pm-4:50pm · R 12:30pm-1:50pm · R 3:30pm-4:50pm

Moore Hall 100

Grades

3.49
predicted, this instructor · 263 grades

Of the 9 other people in the grade record for LIFESCI 7B, the 2 with the most grades: PIRES, DEBRA B at 3.54 over 4,233 grades and KANE, TONYA LYNN at 3.63 over 1,598 grades.

A range
58%
P/NP
-
letter grade only
D/F/W
0.0%

Full grade history for LIFESCI 7B

What students say

dibs measures outcomes: grades, seats, how fast it fills. For what the class is actually like to sit in, BruinWalk has the reviews.

dibs has not read this course’s reviews, so it cannot say what kind of work it sets. That is dibs not having looked. It is not a course without papers or exams, and the reviews linked below are the answer until dibs catches up.

Reviews for LIFESCI 7B Search the reviews for T. Andres-Bray

Will it still be here

high risk chance of closing before your enrollment pass.

Final enrollment per term from four years of grade data. Summer excluded: different population, different pass structure.

  • 26921F
  • 35022W
  • 27622S
  • 26722F
  • 36223W
  • 18523F
  • 29524W
  • 28124S
  • 15124F
  • 30725W
  • 28525S
  • 20125F
Enrollment by term: 21F 269, 22W 350, 22S 276, 22F 267, 23W 362, 23F 185, 24W 295, 24S 281, 24F 151, 25W 307, 25S 285, 25F 201

Peak 362 · most recent 25F at 201

Seats over time

Filled by 37 over about 2 months

1 time reopened
365 of 384 · 19 left in its discussions
17 Aug 15:079 Sep 08:162 Oct 01:25
dibs read 168 of the 541 hours its hourly record covers, 31%, and did not look in 373. dibs had no hourly record before 9 Sep, which is the other 550 of 1091 plotted.365 of 384 enrolled at the newest reading, 61 minutes ago, with 19 left in its discussions. Seats from 17 Aug 15:07 to 2 Oct 01:25, 328 to 365. dibs read 168 of the 541 hours its hourly record here covers, 31%. An hour marked as read confirms a check, not continuous monitoring. That check recorded no change; changes between checks may be missed. For 373 hours dibs was keeping a record and did not reach this section. Nothing before 9 September at 13:00, where this section's record starts, has a read either way, which is 550 hours of this window. Where the drawing is faint or broken, that never means the readings are doubtful. It means the stretch between them is unaccounted for.

A dot is a reading where something moved: the seat count, the status, or the waitlist. Flat between dots joins recorded counts; changes between reads may be missed. The line starts when dibs first saw this section rather than reaching back before it existed. The last one is the last time dibs read this section, moved or not: 61 minutes ago.

Show the readings (64)
Recorded Enrolled Capacity Status Waitlist Hours read
2 Oct 01:25 365 384 open - 13 of 36
30 Sep 14:42 365 384 open - 2 of 4
30 Sep 11:12 366 384 open - 3 of 8
30 Sep 04:12 365 384 open - 2 of 6
29 Sep 23:42 366 384 open - 2 of 4
29 Sep 20:12 365 384 open - 6 of 19
29 Sep 02:42 366 384 open - 3 of 8
28 Sep 19:42 367 384 open - 22 of 75
25 Sep 17:42 336 336 closed - 8 of 25
24 Sep 17:02 370 384 open - 2 of 5
24 Sep 13:32 369 384 open - 6 of 19
23 Sep 19:22 365 384 open - 6 of 19
23 Sep 01:32 367 384 open - 2 of 4
22 Sep 22:02 365 384 open - 2 of 5
22 Sep 18:32 366 384 open - 6 of 18
22 Sep 01:32 365 384 open - 3 of 8
21 Sep 18:42 367 384 open - 3 of 5
21 Sep 14:42 365 384 open - 2 of 4
21 Sep 11:32 367 384 open - 2 of 4
21 Sep 08:02 368 384 open - 6 of 15
20 Sep 18:12 367 384 open - 6 of 17
20 Sep 02:02 366 384 open - 2 of 5
19 Sep 22:32 367 384 open - 7 of 20
19 Sep 03:52 368 384 open - 14 of 45
17 Sep 07:42 366 384 open - 4 of 12
16 Sep 20:32 365 384 open - 2 of 4
16 Sep 17:42 364 384 open - 3 of 8
16 Sep 10:52 362 384 open - 4 of 12
15 Sep 23:12 361 384 open - 3 of 6
15 Sep 18:32 362 384 open - 2 of 4
15 Sep 15:02 356 384 open - 2 of 5
15 Sep 11:32 350 384 open - 3 of 8
15 Sep 04:32 334 384 open - 8 of 25
14 Sep 04:32 335 384 open - 16 of 51
12 Sep 02:32 336 384 open - 2 of 4
11 Sep 23:52 335 384 open - 2 of 2
11 Sep 22:02 336 384 open - 14 of 34
10 Sep 13:40 335 384 open - 10 of 31, 6 no hourly record
9 Sep 07:40 334 377 open - no hourly record
9 Sep 00:40 335 370 open - no hourly record
8 Sep 18:40 334 377 open - no hourly record
4 Sep 01:40 335 370 open - no hourly record
3 Sep 23:40 336 370 open - no hourly record
3 Sep 19:40 336 364 open - no hourly record
3 Sep 12:46 336 370 open - no hourly record
3 Sep 12:46 336 370 open - no hourly record
3 Sep 12:46 336 370 open - no hourly record
3 Sep 01:40 336 364 open - no hourly record
1 Sep 01:40 333 364 open - no hourly record
28 Aug 01:40 332 364 open - no hourly record
27 Aug 22:40 331 364 open - no hourly record
27 Aug 21:40 332 364 open - no hourly record
27 Aug 20:40 331 364 open - no hourly record
27 Aug 19:40 332 364 open - no hourly record
25 Aug 21:40 331 364 open - no hourly record
25 Aug 00:40 330 364 open - no hourly record
24 Aug 12:40 331 364 open - no hourly record
21 Aug 23:40 331 358 open - no hourly record
21 Aug 10:40 329 358 open - no hourly record
20 Aug 20:40 330 358 open - no hourly record
20 Aug 07:40 328 358 open - no hourly record
19 Aug 11:40 329 358 open - no hourly record
18 Aug 22:40 329 350 open - no hourly record
17 Aug 15:07 328 350 open - -
How readings and alerts work

A reading and an hourly record are different things, and most charts here hold more of the second missing than present. dibs has taken readings of a section since long before it began keeping an hour-by-hour log of when it looked, so the empty stretches are dibs saying it was not keeping that log yet, not that it looked and found nothing. That is the age of the record and not a fault.

Seat counts show the last successful read, not live availability. Refreshes can be delayed by request limits or upstream interruptions. Watched sections receive priority, but an hourly update for every section is not guaranteed.

The registrar can change a seat count between our checks. Alerts depend on dibs detecting an opening and completing delivery; a quiet watch does not prove that no seat opened. Check the registrar before enrolling.

Class chat

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