BIO20
BIO20 · Biology
742 public student ratings, updated Oct 2026 · no written reviews yet
Planning Spring 2027? Save classes to your plan.
From 742 public student ratings
Mostly positive ratings. It's demanding, and good grades are within reach.
No written reviews yet. Yours would be the first.
Took BIO20? How hard was it?
1 is easy, 5 is hard. Anonymous, no account.
Difficulty
What we know
- Ratings across the web
- 3.8 out of 5 stars3.8from 742 ratings
- Department
- Biology
Written reviews
No written reviews of BIO20 yet
Took it? Add yours when you have a couple of minutes. Anonymous, no account, no email.
Professors who have taught BIO20
- Alyse Hill
- Amy Conilogue
- Arnaldo Ferreira
- Arya Parsa
- Christopher Waters
- Clara Jo King
- Cole Frazier
- Debbie Dutton
- Debra Dutton
- Emma Adams
- Erik Kolb
- Frank Caracol
Show all 36
- Frieda Fox
- Ignacio Rivera
- Iryna McGuire
- jennifer flores moreno
- Jesus Cepeda
- Justin Keller
- Latisha Wilkins
- Melissa Iyengar
- Michelle Priest
- Nancy Saad
- Nicole De Rose
- Nicole Derose
- Raminder Kaur
- Robert Shaver
- Robin Ikeda
- Rose Cobos
- Sandra Collins
- Sarah Chamberlain
- Sonia Diaz
- Sumana Pasala
- Sylvia Nguyen
- Taylor Pupka
- Tina Kuo
- Torgeir Johnsen
Questions students ask
Classes next to BIO20
BIO courses at Chaffey with the closest numbers
- BIO144.0 out of 5 stars4.0· difficulty 64/100· 15 ratings
- BIO20This class
- BIO215.0 out of 5 stars5.0· difficulty 70/100· 4 ratings
- BIO223.9 out of 5 stars3.9· difficulty 78/100· 321 ratings
- BIO233.2 out of 5 stars3.2· difficulty 85/100· 186 ratings
- BIO23L4.0 out of 5 stars4.0· difficulty 73/100· 69 ratings
- BIO23LAB3.0 out of 5 stars3.0· difficulty 64/100· 5 ratings