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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
Interactive Games
I found an interactive brain game that I think your students will like: http://nobelprize.org/educational_games/medicine/split-brain/splitbrainexp.html
This game will help your students play and draw conclusions about the brain. Even set up research proposals with funding. Your students have to be able to read simple directions but it is mainly for middle and up.