Science in the Classroom: Annotated research papers and accompanying teaching materials, supported by AAAS
https://www.scienceintheclassroom.org/
Free lessons and labs from the Howard Hughes Medical Institute
https://www.biointeractive.org/
https://www.hhmi.org/programs
Cornell Institute for Biology Teachers
https://blogs.cornell.edu/cibt/labs-activities/
Learn Genetics by University of Utah
https://learn.genetics.utah.edu/content/labs/
Online Mendelian Inheritance of Man (OMIM), maintained by the National Library of Medicine
https://omim.org/
https://www.ncbi.nlm.nih.gov/omim?itool=toolbar
Understanding Evolution by UC Berkeley
https://evolution.berkeley.edu/
eSkeletons
https://eskeletons.org/
eFossils
https://efossils.org/
Crayfish and Frog dissection guides with images by Penn State
https://sites.psu.edu/biology110/
SciStarter — Citizen Science (NSF funded, volunteer opportunities)
https://scistarter.org/
Zooniverse — Citizen Science (volunteer opportunities)
https://www.zooniverse.org/
Open Educational Resources (OER) list by Cal Poly Humboldt
https://libguides.humboldt.edu/openedu/biol
Ask a Biologist by Arizona State University — quizzes, games, simulations
https://askabiologist.asu.edu/
NIH STEM teaching resources
https://science.education.nih.gov/
Amoeba Sisters — YouTube videos
https://www.youtube.com/@AmoebaSisters
Crash Course — YouTube videos
https://www.youtube.com/@crashcourse
PBS Learning Media Life Science
https://cet.pbslearningmedia.org/subjects/science/life-science/?rank_by=recency