Here are some useful links to find some simulations of lab experiments. Keep in mind that in the biology olympiad, practical skills are very important so don’t ignore it!
https://apcentral.collegeboard.org/courses/ap-biology/classroom-resources/investigative-labs-comprehensive-links?course=ap-biology
https://phet.colorado.edu/en/simulations/category/biology
https://www.golabz.eu/
http://www.mhhe.com/biosci/genbio/virtual_labs_2K8/
